515121052 has 24 divisors (see below), whose sum is σ = 910582400. Its totient is φ = 254968560.

The previous prime is 515121049. The next prime is 515121107. The reversal of 515121052 is 250121515.

It is a happy number.

515121052 is nontrivially palindromic in base 5.

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 7 ways as a sum of consecutive naturals, for example, 166423 + ... + 169489.

Almost surely, 2^515121052 is an apocalyptic number.

It is an amenable number.

515121052 is a deficient number, since it is larger than the sum of its proper divisors (395461348).

515121052 is a wasteful number, since it uses less digits than its factorization.

515121052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481 (or 3479 counting only the distinct ones).

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

The square root of 515121052 is about 22696.2783733369. The cubic root of 515121052 is about 801.6222560497.

Adding to 515121052 its reverse (250121515), we get a palindrome (765242567).

The spelling of 515121052 in words is "five hundred fifteen million, one hundred twenty-one thousand, fifty-two".