515042332 has 18 divisors (see below), whose sum is σ = 1048479432. Its totient is φ = 220732344.

The previous prime is 515042327. The next prime is 515042389. The reversal of 515042332 is 233240515.

It is a junction number, because it is equal to n+sod(n) for n = 515042297 and 515042306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1313688 + ... + 1314079.

Almost surely, 2^515042332 is an apocalyptic number.

It is an amenable number.

515042332 is an abundant number, since it is smaller than the sum of its proper divisors (533437100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

515042332 is a wasteful number, since it uses less digits than its factorization.

515042332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627785 (or 2627776 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 515042332 is about 22694.5441020524. The cubic root of 515042332 is about 801.5814197463.

Adding to 515042332 its reverse (233240515), we get a palindrome (748282847).

The spelling of 515042332 in words is "five hundred fifteen million, forty-two thousand, three hundred thirty-two".