25479378 has 24 divisors (see below), whose sum is σ = 55778268. Its totient is φ = 8404992.

The previous prime is 25479367. The next prime is 25479383. The reversal of 25479378 is 87397452.

It can be written as a sum of positive squares in 2 ways, for example, as 23648769 + 1830609 = 4863^2 + 1353^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5551 + ... + 9042.

Almost surely, 2^25479378 is an apocalyptic number.

25479378 is an abundant number, since it is smaller than the sum of its proper divisors (30298890).

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

25479378 is a wasteful number, since it uses less digits than its factorization.

25479378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14698 (or 14695 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 25479378 is about 5047.7101739304. The cubic root of 25479378 is about 294.2589000835.

The spelling of 25479378 in words is "twenty-five million, four hundred seventy-nine thousand, three hundred seventy-eight".