25240973 has 2 divisors, whose sum is σ = 25240974. Its totient is φ = 25240972.

The previous prime is 25240939. The next prime is 25241033. The reversal of 25240973 is 37904252.

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., 24571849 + 669124 = 4957^2 + 818^2 .

It is a cyclic number.

It is not a de Polignac number, because 25240973 - 2⁸ = 25240717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25240573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12620486 + 12620487.

It is an arithmetic number, because the mean of its divisors is an integer number (12620487).

Almost surely, 2^25240973 is an apocalyptic number.

It is an amenable number.

25240973 is a deficient number, since it is larger than the sum of its proper divisors (1).

25240973 is an equidigital number, since it uses as much as digits as its factorization.

25240973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 25240973 is about 5024.0395101950. The cubic root of 25240973 is about 293.3382504628.

The spelling of 25240973 in words is "twenty-five million, two hundred forty thousand, nine hundred seventy-three".