15172051 has 8 divisors (see below), whose sum is σ = 16486400. Its totient is φ = 13909320.

The previous prime is 15172043. The next prime is 15172063. The reversal of 15172051 is 15027151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15172051 - 2³ = 15172043 is a prime.

It is a super-2 number, since 2×15172051² = 460382263093202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15172081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12291 + ... + 13468.

It is an arithmetic number, because the mean of its divisors is an integer number (2060800).

Almost surely, 2^15172051 is an apocalyptic number.

15172051 is a deficient number, since it is larger than the sum of its proper divisors (1314349).

15172051 is a wasteful number, since it uses less digits than its factorization.

15172051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25809.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 15172051 is about 3895.1317050903. The cubic root of 15172051 is about 247.5605456746.

The spelling of 15172051 in words is "fifteen million, one hundred seventy-two thousand, fifty-one".