25340497 has 16 divisors (see below), whose sum is σ = 31830400. Its totient is φ = 20046096.

The previous prime is 25340477. The next prime is 25340507. The reversal of 25340497 is 79404352.

It is a de Polignac number, because none of the positive numbers 2^k-25340497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25340407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618 + ... + 7300.

It is an arithmetic number, because the mean of its divisors is an integer number (1989400).

Almost surely, 2^25340497 is an apocalyptic number.

It is an amenable number.

25340497 is a deficient number, since it is larger than the sum of its proper divisors (6489903).

25340497 is an equidigital number, since it uses as much as digits as its factorization.

25340497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717 (or 5703 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 25340497 is about 5033.9345446678. The cubic root of 25340497 is about 293.7232846083.

The spelling of 25340497 in words is "twenty-five million, three hundred forty thousand, four hundred ninety-seven".