515042297 has 16 divisors (see below), whose sum is σ = 644956800. Its totient is φ = 399565440.

The previous prime is 515042221. The next prime is 515042327. The reversal of 515042297 is 792240515.

It is a cyclic number.

It is not a de Polignac number, because 515042297 - 2¹⁰ = 515041273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515042207) 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, 3029 + ... + 32237.

It is an arithmetic number, because the mean of its divisors is an integer number (40309800).

Almost surely, 2^515042297 is an apocalyptic number.

It is an amenable number.

515042297 is a deficient number, since it is larger than the sum of its proper divisors (129914503).

515042297 is a wasteful number, since it uses less digits than its factorization.

515042297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29456.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 515042297 is about 22694.5433309419. The cubic root of 515042297 is about 801.5814015890.

The spelling of 515042297 in words is "five hundred fifteen million, forty-two thousand, two hundred ninety-seven".