25313963 has 6 divisors (see below), whose sum is σ = 25739532. Its totient is φ = 24895320.

The previous prime is 25313941. The next prime is 25313987. The reversal of 25313963 is 36931352.

It is not a de Polignac number, because 25313963 - 2¹⁶ = 25248427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25313903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320 + ... + 7122.

It is an arithmetic number, because the mean of its divisors is an integer number (4289922).

Almost surely, 2^25313963 is an apocalyptic number.

25313963 is a deficient number, since it is larger than the sum of its proper divisors (425569).

25313963 is an frugal number, since it uses more digits than its factorization.

25313963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925 (or 6864 counting only the distinct ones).

The product of its digits is 14580, while the sum is 32.

The square root of 25313963 is about 5031.2983413827. The cubic root of 25313963 is about 293.6207297208.

The spelling of 25313963 in words is "twenty-five million, three hundred thirteen thousand, nine hundred sixty-three".