5156451 has 6 divisors (see below), whose sum is σ = 7448220. Its totient is φ = 3437628.

The previous prime is 5156449. The next prime is 5156471. The reversal of 5156451 is 1546515.

It is a happy number.

5156451 is a `hidden beast` number, since 5 + 15 + 645 + 1 = 666.

It is not a de Polignac number, because 5156451 - 2¹ = 5156449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5156441) 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 5 ways as a sum of consecutive naturals, for example, 286461 + ... + 286478.

It is an arithmetic number, because the mean of its divisors is an integer number (1241370).

Almost surely, 2^5156451 is an apocalyptic number.

5156451 is a deficient number, since it is larger than the sum of its proper divisors (2291769).

5156451 is a wasteful number, since it uses less digits than its factorization.

5156451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572945 (or 572942 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 5156451 is about 2270.7820238852. The cubic root of 5156451 is about 172.7628255616.

It can be divided in two parts, 51564 and 51, that added together give a palindrome (51615).

The spelling of 5156451 in words is "five million, one hundred fifty-six thousand, four hundred fifty-one".