16412625 has 40 divisors (see below), whose sum is σ = 30616872. Its totient is φ = 8748000.

The previous prime is 16412569. The next prime is 16412629. The reversal of 16412625 is 52621461.

It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 16329681 = 288^2 + 4041^2 .

It is not a de Polignac number, because 16412625 - 2¹¹ = 16410577 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (16412629) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9315 + ... + 10935.

Almost surely, 2^16412625 is an apocalyptic number.

16412625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16412625 is a deficient number, since it is larger than the sum of its proper divisors (14204247).

16412625 is an equidigital number, since it uses as much as digits as its factorization.

16412625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1629 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 16412625 is about 4051.2498071583. The cubic root of 16412625 is about 254.1319968238.

The spelling of 16412625 in words is "sixteen million, four hundred twelve thousand, six hundred twenty-five".