16364025 has 30 divisors (see below), whose sum is σ = 30315582. Its totient is φ = 8726400.

The previous prime is 16364011. The next prime is 16364039. The reversal of 16364025 is 52046361.

16364025 is a `hidden beast` number, since 1 + 636 + 4 + 0 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (16364011) and next prime (16364039).

It can be written as a sum of positive squares in 3 ways, for example, as 467856 + 15896169 = 684^2 + 3987^2 .

It is not a de Polignac number, because 16364025 - 2⁵ = 16363993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 16364025.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2016 + ... + 6065.

Almost surely, 2^16364025 is an apocalyptic number.

16364025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16364025 is a deficient number, since it is larger than the sum of its proper divisors (13951557).

16364025 is an equidigital number, since it uses as much as digits as its factorization.

16364025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103 (or 8089 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 16364025 is about 4045.2472112344. The cubic root of 16364025 is about 253.8809091001.

The spelling of 16364025 in words is "sixteen million, three hundred sixty-four thousand, twenty-five".