2015920425 has 24 divisors (see below), whose sum is σ = 3508411360. Its totient is φ = 1018569600.

The previous prime is 2015920391. The next prime is 2015920493. The reversal of 2015920425 is 5240295102.

It is not a de Polignac number, because 2015920425 - 2²⁶ = 1948811561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2015920392 and 2015920401.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 705916 + ... + 708765.

Almost surely, 2^2015920425 is an apocalyptic number.

2015920425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015920425 is a deficient number, since it is larger than the sum of its proper divisors (1492490935).

2015920425 is a wasteful number, since it uses less digits than its factorization.

2015920425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414713 (or 1414708 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2015920425 is about 44899.0024944876. The cubic root of 2015920425 is about 1263.2552981381.

The spelling of 2015920425 in words is "two billion, fifteen million, nine hundred twenty thousand, four hundred twenty-five".