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25270423 is a prime number
BaseRepresentation
bin110000001100…
…1100010010111
31202112212111121
41200121202113
522432123143
62301344411
7424536463
oct140314227
952485447
1025270423
11132a0052
128568107
13530a319
1434db4a3
1523427ed
hex1819897

25270423 has 2 divisors, whose sum is σ = 25270424. Its totient is φ = 25270422.

The previous prime is 25270411. The next prime is 25270463. The reversal of 25270423 is 32407252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25270423 - 217 = 25139351 is a prime.

It is equal to p1581712 and since 25270423 and 1581712 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25270463) 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, 12635211 + 12635212.

It is an arithmetic number, because the mean of its divisors is an integer number (12635212).

Almost surely, 225270423 is an apocalyptic number.

25270423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25270423 is an equidigital number, since it uses as much as digits as its factorization.

25270423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 25270423 is about 5026.9695642604. The cubic root of 25270423 is about 293.4522906237.

Adding to 25270423 its reverse (32407252), we get a palindrome (57677675).

The spelling of 25270423 in words is "twenty-five million, two hundred seventy thousand, four hundred twenty-three".