25194964 has 12 divisors (see below), whose sum is σ = 44132788. Its totient is φ = 12585600.

The previous prime is 25194941. The next prime is 25194973. The reversal of 25194964 is 46949152.

It can be written as a sum of positive squares in 2 ways, for example, as 9922500 + 15272464 = 3150^2 + 3908^2 .

It is a super-2 number, since 2×25194964² = 1269572421922592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3244 + ... + 7804.

Almost surely, 2^25194964 is an apocalyptic number.

It is an amenable number.

25194964 is a deficient number, since it is larger than the sum of its proper divisors (18937824).

25194964 is a wasteful number, since it uses less digits than its factorization.

25194964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946 (or 5944 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 25194964 is about 5019.4585365356. The cubic root of 25194964 is about 293.1599106906.

The spelling of 25194964 in words is "twenty-five million, one hundred ninety-four thousand, nine hundred sixty-four".