512634545 has 16 divisors (see below), whose sum is σ = 626372112. Its totient is φ = 402658560.

The previous prime is 512634527. The next prime is 512634553. The reversal of 512634545 is 545436215.

It can be written as a sum of positive squares in 8 ways, for example, as 13424896 + 499209649 = 3664^2 + 22343^2 .

It is not a de Polignac number, because 512634545 - 2⁸ = 512634289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222419 + ... + 224711.

It is an arithmetic number, because the mean of its divisors is an integer number (39148257).

Almost surely, 2^512634545 is an apocalyptic number.

It is an amenable number.

512634545 is a deficient number, since it is larger than the sum of its proper divisors (113737567).

512634545 is a wasteful number, since it uses less digits than its factorization.

512634545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092.

The product of its digits is 72000, while the sum is 35.

The square root of 512634545 is about 22641.4342522730. The cubic root of 512634545 is about 800.3303557501.

The spelling of 512634545 in words is "five hundred twelve million, six hundred thirty-four thousand, five hundred forty-five".