515154252 has 48 divisors (see below), whose sum is σ = 1230001920. Its totient is φ = 167758272.

The previous prime is 515154229. The next prime is 515154259. The reversal of 515154252 is 252451515.

It is not an unprimeable number, because it can be changed into a prime (515154259) 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, 116058 + ... + 120414.

It is an arithmetic number, because the mean of its divisors is an integer number (25625040).

Almost surely, 2^515154252 is an apocalyptic number.

It is an amenable number.

515154252 is an abundant number, since it is smaller than the sum of its proper divisors (714847668).

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

515154252 is a wasteful number, since it uses less digits than its factorization.

515154252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590 (or 4588 counting only the distinct ones).

The product of its digits is 10000, while the sum is 30.

The square root of 515154252 is about 22697.0097589969. The cubic root of 515154252 is about 801.6394774304.

The spelling of 515154252 in words is "five hundred fifteen million, one hundred fifty-four thousand, two hundred fifty-two".