515135004 has 24 divisors (see below), whose sum is σ = 1243430160. Its totient is φ = 165790464.

The previous prime is 515134943. The next prime is 515135009. The reversal of 515135004 is 400531515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515135009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739789 + ... + 740484.

It is an arithmetic number, because the mean of its divisors is an integer number (51809590).

Almost surely, 2^515135004 is an apocalyptic number.

It is an amenable number.

515135004 is an abundant number, since it is smaller than the sum of its proper divisors (728295156).

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

515135004 is a wasteful number, since it uses less digits than its factorization.

515135004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480309 (or 1480307 counting only the distinct ones).

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

The square root of 515135004 is about 22696.5857344227. The cubic root of 515135004 is about 801.6294932694.

Adding to 515135004 its reverse (400531515), we get a palindrome (915666519).

The spelling of 515135004 in words is "five hundred fifteen million, one hundred thirty-five thousand, four".