515066061 has 4 divisors (see below), whose sum is σ = 686754752. Its totient is φ = 343377372.

The previous prime is 515066053. The next prime is 515066063. The reversal of 515066061 is 160660515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 515066061 - 2³ = 515066053 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 (515066063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85844341 + ... + 85844346.

It is an arithmetic number, because the mean of its divisors is an integer number (171688688).

Almost surely, 2^515066061 is an apocalyptic number.

It is an amenable number.

515066061 is a deficient number, since it is larger than the sum of its proper divisors (171688691).

515066061 is a wasteful number, since it uses less digits than its factorization.

515066061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171688690.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 515066061 is about 22695.0668868809. The cubic root of 515066061 is about 801.5937296946.

The spelling of 515066061 in words is "five hundred fifteen million, sixty-six thousand, sixty-one".