25038457 has 2 divisors, whose sum is σ = 25038458. Its totient is φ = 25038456.

The previous prime is 25038449. The next prime is 25038473. The reversal of 25038457 is 75483052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14868736 + 10169721 = 3856^2 + 3189^2 .

It is a cyclic number.

It is not a de Polignac number, because 25038457 - 2³ = 25038449 is a prime.

It is not a weakly prime, because it can be changed into another prime (25038157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12519228 + 12519229.

It is an arithmetic number, because the mean of its divisors is an integer number (12519229).

Almost surely, 2^25038457 is an apocalyptic number.

It is an amenable number.

25038457 is a deficient number, since it is larger than the sum of its proper divisors (1).

25038457 is an equidigital number, since it uses as much as digits as its factorization.

25038457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 25038457 is about 5003.8442221956. The cubic root of 25038457 is about 292.5516289414.

The spelling of 25038457 in words is "twenty-five million, thirty-eight thousand, four hundred fifty-seven".