515230132 has 12 divisors (see below), whose sum is σ = 902746180. Its totient is φ = 257302656.

The previous prime is 515230129. The next prime is 515230151. The reversal of 515230132 is 231032515.

It can be written as a sum of positive squares in 2 ways, for example, as 359329936 + 155900196 = 18956^2 + 12486^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74373 + ... + 81004.

Almost surely, 2^515230132 is an apocalyptic number.

It is an amenable number.

515230132 is a deficient number, since it is larger than the sum of its proper divisors (387516048).

515230132 is a wasteful number, since it uses less digits than its factorization.

515230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156210 (or 156208 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 515230132 is about 22698.6812832816. The cubic root of 515230132 is about 801.6788348442.

Adding to 515230132 its reverse (231032515), we get a palindrome (746262647).

The spelling of 515230132 in words is "five hundred fifteen million, two hundred thirty thousand, one hundred thirty-two".