26642925 has 60 divisors (see below), whose sum is σ = 50413440. Its totient is φ = 13906080.

The previous prime is 26642879. The next prime is 26642939. The reversal of 26642925 is 52924662.

26642925 is a `hidden beast` number, since 2 + 6 + 642 + 9 + 2 + 5 = 666.

It is not a de Polignac number, because 26642925 - 2¹⁷ = 26511853 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26642925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 119364 + ... + 119586.

It is an arithmetic number, because the mean of its divisors is an integer number (840224).

Almost surely, 2^26642925 is an apocalyptic number.

26642925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26642925 is a deficient number, since it is larger than the sum of its proper divisors (23770515).

26642925 is a wasteful number, since it uses less digits than its factorization.

26642925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 290 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 26642925 is about 5161.6785060676. The cubic root of 26642925 is about 298.6716267634.

The spelling of 26642925 in words is "twenty-six million, six hundred forty-two thousand, nine hundred twenty-five".