25463497 has 2 divisors, whose sum is σ = 25463498. Its totient is φ = 25463496.

The previous prime is 25463483. The next prime is 25463509. The reversal of 25463497 is 79436452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13220496 + 12243001 = 3636^2 + 3499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25463497 is a prime.

It is not a weakly prime, because it can be changed into another prime (25463447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12731748 + 12731749.

It is an arithmetic number, because the mean of its divisors is an integer number (12731749).

Almost surely, 2^25463497 is an apocalyptic number.

It is an amenable number.

25463497 is a deficient number, since it is larger than the sum of its proper divisors (1).

25463497 is an equidigital number, since it uses as much as digits as its factorization.

25463497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 25463497 is about 5046.1368392068. The cubic root of 25463497 is about 294.1977513271.

The spelling of 25463497 in words is "twenty-five million, four hundred sixty-three thousand, four hundred ninety-seven".