512623642 has 16 divisors (see below), whose sum is σ = 787180032. Its totient is φ = 250256560.

The previous prime is 512623637. The next prime is 512623681. The reversal of 512623642 is 246326215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34188 + ... + 46840.

It is an arithmetic number, because the mean of its divisors is an integer number (49198752).

Almost surely, 2^512623642 is an apocalyptic number.

512623642 is a deficient number, since it is larger than the sum of its proper divisors (274556390).

512623642 is a wasteful number, since it uses less digits than its factorization.

512623642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133.

The product of its digits is 17280, while the sum is 31.

The square root of 512623642 is about 22641.1934756099. The cubic root of 512623642 is about 800.3246817510.

Adding to 512623642 its reverse (246326215), we get a palindrome (758949857).

The spelling of 512623642 in words is "five hundred twelve million, six hundred twenty-three thousand, six hundred forty-two".