25130979 has 20 divisors (see below), whose sum is σ = 37679400. Its totient is φ = 16692480.

The previous prime is 25130953. The next prime is 25130993. The reversal of 25130979 is 97903152.

It is not a de Polignac number, because 25130979 - 2¹¹ = 25128931 is a prime.

It is a super-2 number, since 2×25130979² = 1263132210996882, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25130929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36024 + ... + 36714.

It is an arithmetic number, because the mean of its divisors is an integer number (1883970).

Almost surely, 2^25130979 is an apocalyptic number.

25130979 is a deficient number, since it is larger than the sum of its proper divisors (12548421).

25130979 is an equidigital number, since it uses as much as digits as its factorization.

25130979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 25130979 is about 5013.0807892951. The cubic root of 25130979 is about 292.9115311807.

The spelling of 25130979 in words is "twenty-five million, one hundred thirty thousand, nine hundred seventy-nine".