515205132 has 48 divisors (see below), whose sum is σ = 1297739520. Its totient is φ = 158142528.

The previous prime is 515205113. The next prime is 515205133. The reversal of 515205132 is 231502515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (515205133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64723 + ... + 72245.

It is an arithmetic number, because the mean of its divisors is an integer number (27036240).

Almost surely, 2^515205132 is an apocalyptic number.

515205132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

515205132 is an abundant number, since it is smaller than the sum of its proper divisors (782534388).

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

515205132 is a wasteful number, since it uses less digits than its factorization.

515205132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 7980 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 515205132 is about 22698.1305838168. The cubic root of 515205132 is about 801.6658682791.

Adding to 515205132 its reverse (231502515), we get a palindrome (746707647).

The spelling of 515205132 in words is "five hundred fifteen million, two hundred five thousand, one hundred thirty-two".