515210152 has 8 divisors (see below), whose sum is σ = 966019050. Its totient is φ = 257605072.

The previous prime is 515210147. The next prime is 515210167. The reversal of 515210152 is 251012515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 389904516 + 125305636 = 19746^2 + 11194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32200627 + ... + 32200642.

Almost surely, 2^515210152 is an apocalyptic number.

It is an amenable number.

515210152 is a deficient number, since it is larger than the sum of its proper divisors (450808898).

515210152 is a wasteful number, since it uses less digits than its factorization.

515210152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64401275 (or 64401271 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 515210152 is about 22698.2411653414. The cubic root of 515210152 is about 801.6684719990.

Adding to 515210152 its reverse (251012515), we get a palindrome (766222667).

The spelling of 515210152 in words is "five hundred fifteen million, two hundred ten thousand, one hundred fifty-two".