41638925 has 24 divisors (see below), whose sum is σ = 54163200. Its totient is φ = 31711680.

The previous prime is 41638871. The next prime is 41638931. The reversal of 41638925 is 52983614.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-41638925 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56912 + ... + 57638.

It is an arithmetic number, because the mean of its divisors is an integer number (2256800).

Almost surely, 2^41638925 is an apocalyptic number.

It is an amenable number.

41638925 is a deficient number, since it is larger than the sum of its proper divisors (12524275).

41638925 is a wasteful number, since it uses less digits than its factorization.

41638925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 840 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 41638925 is about 6452.8230256222. The cubic root of 41638925 is about 346.6036801040.

The spelling of 41638925 in words is "forty-one million, six hundred thirty-eight thousand, nine hundred twenty-five".