15628065 has 16 divisors (see below), whose sum is σ = 25080000. Its totient is φ = 8309952.

The previous prime is 15628043. The next prime is 15628073. The reversal of 15628065 is 56082651.

It is not a de Polignac number, because 15628065 - 2¹³ = 15619873 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4311 + ... + 7059.

It is an arithmetic number, because the mean of its divisors is an integer number (1567500).

Almost surely, 2^15628065 is an apocalyptic number.

15628065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15628065 is a deficient number, since it is larger than the sum of its proper divisors (9451935).

15628065 is a wasteful number, since it uses less digits than its factorization.

15628065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 15628065 is about 3953.2347514409. The cubic root of 15628065 is about 250.0163455979.

The spelling of 15628065 in words is "fifteen million, six hundred twenty-eight thousand, sixty-five".