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2550013 is a prime number
BaseRepresentation
bin1001101110100011111101
311210112221221
421232203331
51123100023
6130353341
730450304
oct11564375
94715857
102550013
111491954
12a2b851
136b38ab
144a543b
1535585d
hex26e8fd

2550013 has 2 divisors, whose sum is σ = 2550014. Its totient is φ = 2550012.

The previous prime is 2550001. The next prime is 2550019. The reversal of 2550013 is 3100552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1505529 + 1044484 = 1227^2 + 1022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2550013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2550019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275006 + 1275007.

It is an arithmetic number, because the mean of its divisors is an integer number (1275007).

22550013 is an apocalyptic number.

It is an amenable number.

2550013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550013 is an equidigital number, since it uses as much as digits as its factorization.

2550013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2550013 is about 1596.8760127198. The cubic root of 2550013 is about 136.6199529686.

Adding to 2550013 its reverse (3100552), we get a palindrome (5650565).

The spelling of 2550013 in words is "two million, five hundred fifty thousand, thirteen".