16312525 has 12 divisors (see below), whose sum is σ = 20659392. Its totient is φ = 12771440.

The previous prime is 16312511. The next prime is 16312531. The reversal of 16312525 is 52521361.

It is not a de Polignac number, because 16312525 - 2⁷ = 16312397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 16312525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5767 + ... + 8116.

It is an arithmetic number, because the mean of its divisors is an integer number (1721616).

Almost surely, 2^16312525 is an apocalyptic number.

It is an amenable number.

16312525 is a deficient number, since it is larger than the sum of its proper divisors (4346867).

16312525 is a wasteful number, since it uses less digits than its factorization.

16312525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13940 (or 13935 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 16312525 is about 4038.8767002720. The cubic root of 16312525 is about 253.6142956594.

Adding to 16312525 its reverse (52521361), we get a palindrome (68833886).

The spelling of 16312525 in words is "sixteen million, three hundred twelve thousand, five hundred twenty-five".