251472151 has 8 divisors (see below), whose sum is σ = 287517600. Its totient is φ = 215456928.

The previous prime is 251472139. The next prime is 251472157. The reversal of 251472151 is 151274152.

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 251472151 - 2⁵ = 251472119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251472157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14625 + ... + 26773.

It is an arithmetic number, because the mean of its divisors is an integer number (35939700).

Almost surely, 2^251472151 is an apocalyptic number.

251472151 is a deficient number, since it is larger than the sum of its proper divisors (36045449).

251472151 is a wasteful number, since it uses less digits than its factorization.

251472151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15113.

The product of its digits is 2800, while the sum is 28.

The square root of 251472151 is about 15857.8734702986. The cubic root of 251472151 is about 631.1946350685.

The spelling of 251472151 in words is "two hundred fifty-one million, four hundred seventy-two thousand, one hundred fifty-one".