642114524 has 12 divisors (see below), whose sum is σ = 1124194848. Its totient is φ = 320916000.

The previous prime is 642114521. The next prime is 642114527. The reversal of 642114524 is 425411246.

It is an interprime number because it is at equal distance from previous prime (642114521) and next prime (642114527).

It is a super-2 number, since 2×642114524² = 824622123863493152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642114521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24737 + ... + 43544.

It is an arithmetic number, because the mean of its divisors is an integer number (93682904).

Almost surely, 2^642114524 is an apocalyptic number.

It is an amenable number.

642114524 is a deficient number, since it is larger than the sum of its proper divisors (482080324).

642114524 is a wasteful number, since it uses less digits than its factorization.

642114524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70636 (or 70634 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 642114524 is about 25339.9787687362. The cubic root of 642114524 is about 862.7219168241.

The spelling of 642114524 in words is "six hundred forty-two million, one hundred fourteen thousand, five hundred twenty-four".