25217962 has 16 divisors (see below), whose sum is σ = 47161152. Its totient is φ = 9825120.

The previous prime is 25217947. The next prime is 25217981. The reversal of 25217962 is 26971252.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 81723 + ... + 82030.

It is an arithmetic number, because the mean of its divisors is an integer number (2947572).

Almost surely, 2^25217962 is an apocalyptic number.

25217962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25217962 is a deficient number, since it is larger than the sum of its proper divisors (21943190).

25217962 is a wasteful number, since it uses less digits than its factorization.

25217962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163773.

The product of its digits is 15120, while the sum is 34.

The square root of 25217962 is about 5021.7488985412. The cubic root of 25217962 is about 293.2490824958.

The spelling of 25217962 in words is "twenty-five million, two hundred seventeen thousand, nine hundred sixty-two".