25036897 has 2 divisors, whose sum is σ = 25036898. Its totient is φ = 25036896.

The previous prime is 25036873. The next prime is 25036951. The reversal of 25036897 is 79863052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25010001 + 26896 = 5001^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 25036897 - 2⁷ = 25036769 is a prime.

It is a super-2 number, since 2×25036897² = 1253692422777218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25036097) 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, 12518448 + 12518449.

It is an arithmetic number, because the mean of its divisors is an integer number (12518449).

Almost surely, 2^25036897 is an apocalyptic number.

It is an amenable number.

25036897 is a deficient number, since it is larger than the sum of its proper divisors (1).

25036897 is an equidigital number, since it uses as much as digits as its factorization.

25036897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 25036897 is about 5003.6883396151. The cubic root of 25036897 is about 292.5455530875.

The spelling of 25036897 in words is "twenty-five million, thirty-six thousand, eight hundred ninety-seven".