515232342 has 24 divisors (see below), whose sum is σ = 1121263416. Its totient is φ = 170986176.

The previous prime is 515232331. The next prime is 515232349. The reversal of 515232342 is 243232515.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515232349) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 58963 + ... + 67134.

It is an arithmetic number, because the mean of its divisors is an integer number (46719309).

Almost surely, 2^515232342 is an apocalyptic number.

515232342 is an abundant number, since it is smaller than the sum of its proper divisors (606031074).

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

515232342 is a wasteful number, since it uses less digits than its factorization.

515232342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126332 (or 126329 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 515232342 is about 22698.7299644716. The cubic root of 515232342 is about 801.6799810683.

Adding to 515232342 its reverse (243232515), we get a palindrome (758464857).

The spelling of 515232342 in words is "five hundred fifteen million, two hundred thirty-two thousand, three hundred forty-two".