5158642 has 8 divisors (see below), whose sum is σ = 7777836. Its totient is φ = 2566032.

The previous prime is 5158603. The next prime is 5158663. The reversal of 5158642 is 2468515.

It can be written as a sum of positive squares in 2 ways, for example, as 3721041 + 1437601 = 1929^2 + 1199^2 .

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

It is a super-2 number, since 2×5158642² = 53223174568328, which contains 22 as substring.

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, 6153 + ... + 6940.

Almost surely, 2^5158642 is an apocalyptic number.

5158642 is a deficient number, since it is larger than the sum of its proper divisors (2619194).

5158642 is a wasteful number, since it uses less digits than its factorization.

5158642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13292.

The product of its digits is 9600, while the sum is 31.

The square root of 5158642 is about 2271.2644055680. The cubic root of 5158642 is about 172.7872913393.

It can be divided in two parts, 51586 and 42, that multiplied together give a palindrome (2166612).

The spelling of 5158642 in words is "five million, one hundred fifty-eight thousand, six hundred forty-two".