5156642 has 8 divisors (see below), whose sum is σ = 7803756. Its totient is φ = 2555392.

The previous prime is 5156609. The next prime is 5156663. The reversal of 5156642 is 2466515.

It can be written as a sum of positive squares in 2 ways, for example, as 5148361 + 8281 = 2269^2 + 91^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11183 + ... + 11634.

Almost surely, 2^5156642 is an apocalyptic number.

5156642 is a deficient number, since it is larger than the sum of its proper divisors (2647114).

5156642 is a wasteful number, since it uses less digits than its factorization.

5156642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22932.

The product of its digits is 7200, while the sum is 29.

The square root of 5156642 is about 2270.8240794918. The cubic root of 5156642 is about 172.7649586368.

The spelling of 5156642 in words is "five million, one hundred fifty-six thousand, six hundred forty-two".