515053357 has 54 divisors (see below), whose sum is σ = 682959294. Its totient is φ = 386830080.

The previous prime is 515053337. The next prime is 515053373. The reversal of 515053357 is 753350515.

It can be written as a sum of positive squares in 9 ways, for example, as 417221476 + 97831881 = 20426^2 + 9891^2 .

It is not a de Polignac number, because 515053357 - 2¹¹ = 515051309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515053327) 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 53 ways as a sum of consecutive naturals, for example, 12562257 + ... + 12562297.

Almost surely, 2^515053357 is an apocalyptic number.

It is an amenable number.

515053357 is a deficient number, since it is larger than the sum of its proper divisors (167905937).

515053357 is a wasteful number, since it uses less digits than its factorization.

515053357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 39375, while the sum is 34.

The square root of 515053357 is about 22694.7870005427. The cubic root of 515053357 is about 801.5871392581.

The spelling of 515053357 in words is "five hundred fifteen million, fifty-three thousand, three hundred fifty-seven".