25885442 has 16 divisors (see below), whose sum is σ = 44200512. Its totient is φ = 11254320.

The previous prime is 25885427. The next prime is 25885493. The reversal of 25885442 is 24458852.

It is a super-2 number, since 2×25885442² = 1340112215070728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25885396 and 25885405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25073 + ... + 26084.

It is an arithmetic number, because the mean of its divisors is an integer number (2762532).

Almost surely, 2^25885442 is an apocalyptic number.

25885442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25885442 is a deficient number, since it is larger than the sum of its proper divisors (18315070).

25885442 is a wasteful number, since it uses less digits than its factorization.

25885442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51193.

The product of its digits is 102400, while the sum is 38.

The square root of 25885442 is about 5087.7737764173. The cubic root of 25885442 is about 295.8138667259.

The spelling of 25885442 in words is "twenty-five million, eight hundred eighty-five thousand, four hundred forty-two".