2015690025 has 48 divisors (see below), whose sum is σ = 3373498368. Its totient is φ = 1061928000.

The previous prime is 2015690003. The next prime is 2015690063. The reversal of 2015690025 is 5200965102.

It is a happy number.

2015690025 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2015690025 - 2⁶ = 2015689961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2015689974 and 2015690001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4105030 + ... + 4105520.

It is an arithmetic number, because the mean of its divisors is an integer number (70281216).

Almost surely, 2^2015690025 is an apocalyptic number.

2015690025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015690025 is a deficient number, since it is larger than the sum of its proper divisors (1357808343).

2015690025 is a wasteful number, since it uses less digits than its factorization.

2015690025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2015690025 is about 44896.4366626128. The cubic root of 2015690025 is about 1263.2071703936.

The spelling of 2015690025 in words is "two billion, fifteen million, six hundred ninety thousand, twenty-five".