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3725389 is a prime number
BaseRepresentation
bin1110001101100001001101
321000021021101
432031201031
51423203024
6211503101
743444123
oct16154115
97007241
103725389
112114a38
1212b7a91
13a05895
146cd913
154d8c44
hex38d84d

3725389 has 2 divisors, whose sum is σ = 3725390. Its totient is φ = 3725388.

The previous prime is 3725357. The next prime is 3725411. The reversal of 3725389 is 9835273.

3725389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 209764 = 1875^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 3725389 - 25 = 3725357 is a prime.

It is a d-powerful number, because it can be written as 311 + 72 + 23 + 59 + 313 + 8 + 93 .

3725389 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3725489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862694 + 1862695.

It is an arithmetic number, because the mean of its divisors is an integer number (1862695).

Almost surely, 23725389 is an apocalyptic number.

It is an amenable number.

3725389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3725389 is an equidigital number, since it uses as much as digits as its factorization.

3725389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 3725389 is about 1930.1266797804. The cubic root of 3725389 is about 155.0210030505.

It can be divided in two parts, 3725 and 389, that added together give a palindrome (4114).

The spelling of 3725389 in words is "three million, seven hundred twenty-five thousand, three hundred eighty-nine".