2015626625 has 32 divisors (see below), whose sum is σ = 2585157120. Its totient is φ = 1568112000.

The previous prime is 2015626589. The next prime is 2015626637. The reversal of 2015626625 is 5266265102.

It is not a de Polignac number, because 2015626625 - 2¹² = 2015622529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2803016 + ... + 2803734.

It is an arithmetic number, because the mean of its divisors is an integer number (80786160).

Almost surely, 2^2015626625 is an apocalyptic number.

2015626625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015626625 is a deficient number, since it is larger than the sum of its proper divisors (569530495).

2015626625 is an equidigital number, since it uses as much as digits as its factorization.

2015626625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2015626625 is about 44895.7305876628. The cubic root of 2015626625 is about 1263.1939262649.

The spelling of 2015626625 in words is "two billion, fifteen million, six hundred twenty-six thousand, six hundred twenty-five".