25097316 has 12 divisors (see below), whose sum is σ = 58560432. Its totient is φ = 8365768.

The previous prime is 25097311. The next prime is 25097323. The reversal of 25097316 is 61379052.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25097311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045710 + ... + 1045733.

It is an arithmetic number, because the mean of its divisors is an integer number (4880036).

Almost surely, 2^25097316 is an apocalyptic number.

It is an amenable number.

25097316 is an abundant number, since it is smaller than the sum of its proper divisors (33463116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25097316 is a wasteful number, since it uses less digits than its factorization.

25097316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091450 (or 2091448 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 25097316 is about 5009.7221479839. The cubic root of 25097316 is about 292.7806875345.

The spelling of 25097316 in words is "twenty-five million, ninety-seven thousand, three hundred sixteen".