515055161 has 8 divisors (see below), whose sum is σ = 539889504. Its totient is φ = 490805280.

The previous prime is 515055157. The next prime is 515055179. The reversal of 515055161 is 161550515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 515055161 - 2² = 515055157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515055131) 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 7 ways as a sum of consecutive naturals, for example, 144311 + ... + 147836.

It is an arithmetic number, because the mean of its divisors is an integer number (67486188).

Almost surely, 2^515055161 is an apocalyptic number.

It is an amenable number.

515055161 is a deficient number, since it is larger than the sum of its proper divisors (24834343).

515055161 is a wasteful number, since it uses less digits than its factorization.

515055161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292231.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 515055161 is about 22694.8267453180. The cubic root of 515055161 is about 801.5880751233.

The spelling of 515055161 in words is "five hundred fifteen million, fifty-five thousand, one hundred sixty-one".