940405825 has 6 divisors (see below), whose sum is σ = 1166103254. Its totient is φ = 752324640.

The previous prime is 940405793. The next prime is 940405831. The reversal of 940405825 is 528504049.

940405825 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 12837889 + 927567936 = 3583^2 + 30456^2 .

It is not a de Polignac number, because 940405825 - 2⁵ = 940405793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18808092 + ... + 18808141.

Almost surely, 2^940405825 is an apocalyptic number.

It is an amenable number.

940405825 is a deficient number, since it is larger than the sum of its proper divisors (225697429).

940405825 is a wasteful number, since it uses less digits than its factorization.

940405825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37616243 (or 37616238 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 940405825 is about 30666.0369953471. The cubic root of 940405825 is about 979.7270602533.

The spelling of 940405825 in words is "nine hundred forty million, four hundred five thousand, eight hundred twenty-five".