25217934 has 32 divisors (see below), whose sum is σ = 57818880. Its totient is φ = 7182912.

The previous prime is 25217917. The next prime is 25217939. The reversal of 25217934 is 43971252.

It is a junction number, because it is equal to n+sod(n) for n = 25217895 and 25217904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25217939) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16882 + ... + 18314.

It is an arithmetic number, because the mean of its divisors is an integer number (1806840).

Almost surely, 2^25217934 is an apocalyptic number.

25217934 is an abundant number, since it is smaller than the sum of its proper divisors (32600946).

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

25217934 is a wasteful number, since it uses less digits than its factorization.

25217934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its digits is 15120, while the sum is 33.

The square root of 25217934 is about 5021.7461106671. The cubic root of 25217934 is about 293.2489739624.

The spelling of 25217934 in words is "twenty-five million, two hundred seventeen thousand, nine hundred thirty-four".