25370497 has 2 divisors, whose sum is σ = 25370498. Its totient is φ = 25370496.

The previous prime is 25370489. The next prime is 25370503. The reversal of 25370497 is 79407352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25310961 + 59536 = 5031^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 25370497 - 2³ = 25370489 is a prime.

It is not a weakly prime, because it can be changed into another prime (25370417) 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, 12685248 + 12685249.

It is an arithmetic number, because the mean of its divisors is an integer number (12685249).

Almost surely, 2^25370497 is an apocalyptic number.

It is an amenable number.

25370497 is a deficient number, since it is larger than the sum of its proper divisors (1).

25370497 is an equidigital number, since it uses as much as digits as its factorization.

25370497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 25370497 is about 5036.9134397962. The cubic root of 25370497 is about 293.8391495221.

The spelling of 25370497 in words is "twenty-five million, three hundred seventy thousand, four hundred ninety-seven".