25057013 has 2 divisors, whose sum is σ = 25057014. Its totient is φ = 25057012.

The previous prime is 25057001. The next prime is 25057037. The reversal of 25057013 is 31075052.

25057013 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23600164 + 1456849 = 4858^2 + 1207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25057013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25057013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25057093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12528506 + 12528507.

It is an arithmetic number, because the mean of its divisors is an integer number (12528507).

Almost surely, 2^25057013 is an apocalyptic number.

It is an amenable number.

25057013 is a deficient number, since it is larger than the sum of its proper divisors (1).

25057013 is an equidigital number, since it uses as much as digits as its factorization.

25057013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 25057013 is about 5005.6980532190. The cubic root of 25057013 is about 292.6238810978.

The spelling of 25057013 in words is "twenty-five million, fifty-seven thousand, thirteen".