25056613 has 2 divisors, whose sum is σ = 25056614. Its totient is φ = 25056612.

The previous prime is 25056607. The next prime is 25056653. The reversal of 25056613 is 31665052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19775809 + 5280804 = 4447^2 + 2298^2 .

It is a cyclic number.

It is not a de Polignac number, because 25056613 - 2¹³ = 25048421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25056653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12528306 + 12528307.

It is an arithmetic number, because the mean of its divisors is an integer number (12528307).

Almost surely, 2^25056613 is an apocalyptic number.

It is an amenable number.

25056613 is a deficient number, since it is larger than the sum of its proper divisors (1).

25056613 is an equidigital number, since it uses as much as digits as its factorization.

25056613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 25056613 is about 5005.6580985920. The cubic root of 25056613 is about 292.6223239798.

The spelling of 25056613 in words is "twenty-five million, fifty-six thousand, six hundred thirteen".