16625313 has 24 divisors (see below), whose sum is σ = 24752000. Its totient is φ = 10749024.

The previous prime is 16625311. The next prime is 16625317. The reversal of 16625313 is 31352661.

16625313 is a `hidden beast` number, since 1 + 6 + 625 + 31 + 3 = 666.

It is not a de Polignac number, because 16625313 - 2¹ = 16625311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16625311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47463 + ... + 47811.

Almost surely, 2^16625313 is an apocalyptic number.

It is an amenable number.

16625313 is a deficient number, since it is larger than the sum of its proper divisors (8126687).

16625313 is a wasteful number, since it uses less digits than its factorization.

16625313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 498 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 16625313 is about 4077.4149899170. The cubic root of 16625313 is about 255.2250377930.

Adding to 16625313 its reverse (31352661), we get a palindrome (47977974).

The spelling of 16625313 in words is "sixteen million, six hundred twenty-five thousand, three hundred thirteen".