25420486 has 32 divisors (see below), whose sum is σ = 47234880. Its totient is φ = 9991296.

The previous prime is 25420477. The next prime is 25420511. The reversal of 25420486 is 68402452.

It is a super-2 number, since 2×25420486² = 1292402216952392, 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 15 ways as a sum of consecutive naturals, for example, 35500 + ... + 36208.

It is an arithmetic number, because the mean of its divisors is an integer number (1476090).

Almost surely, 2^25420486 is an apocalyptic number.

25420486 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25420486 is a deficient number, since it is larger than the sum of its proper divisors (21814394).

25420486 is a wasteful number, since it uses less digits than its factorization.

25420486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 25420486 is about 5041.8732629847. The cubic root of 25420486 is about 294.0320124952.

The spelling of 25420486 in words is "twenty-five million, four hundred twenty thousand, four hundred eighty-six".