40931925 has 12 divisors (see below), whose sum is σ = 67674240. Its totient is φ = 21830320.

The previous prime is 40931911. The next prime is 40931929. The reversal of 40931925 is 52913904.

It is not a de Polignac number, because 40931925 - 2⁵ = 40931893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40931929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272805 + ... + 272954.

It is an arithmetic number, because the mean of its divisors is an integer number (5639520).

Almost surely, 2^40931925 is an apocalyptic number.

It is an amenable number.

40931925 is a deficient number, since it is larger than the sum of its proper divisors (26742315).

40931925 is a wasteful number, since it uses less digits than its factorization.

40931925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545772 (or 545767 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 40931925 is about 6397.8062646504. The cubic root of 40931925 is about 344.6307749120.

The spelling of 40931925 in words is "forty million, nine hundred thirty-one thousand, nine hundred twenty-five".