516015146 has 4 divisors (see below), whose sum is σ = 774022722. Its totient is φ = 258007572.

The previous prime is 516015133. The next prime is 516015151. The reversal of 516015146 is 641510615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 515789521 + 225625 = 22711^2 + 475^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129003785 + ... + 129003788.

Almost surely, 2^516015146 is an apocalyptic number.

516015146 is a deficient number, since it is larger than the sum of its proper divisors (258007576).

516015146 is a wasteful number, since it uses less digits than its factorization.

516015146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258007575.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 516015146 is about 22715.9667634904. The cubic root of 516015146 is about 802.0857790561.

The spelling of 516015146 in words is "five hundred sixteen million, fifteen thousand, one hundred forty-six".