16012625 has 16 divisors (see below), whose sum is σ = 20369232. Its totient is φ = 12563200.

The previous prime is 16012511. The next prime is 16012637. The reversal of 16012625 is 52621061.

16012625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 512656 + 15499969 = 716^2 + 3937^2 .

It is not a de Polignac number, because 16012625 - 2⁸ = 16012369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16012625.

It is a congruent number.

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, 5417 + ... + 7833.

It is an arithmetic number, because the mean of its divisors is an integer number (1273077).

Almost surely, 2^16012625 is an apocalyptic number.

It is an amenable number.

16012625 is a deficient number, since it is larger than the sum of its proper divisors (4356607).

16012625 is an equidigital number, since it uses as much as digits as its factorization.

16012625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16012625 is about 4001.5778138129. The cubic root of 16012625 is about 252.0504696513.

Adding to 16012625 its reverse (52621061), we get a palindrome (68633686).

The spelling of 16012625 in words is "sixteen million, twelve thousand, six hundred twenty-five".