513561452 has 12 divisors (see below), whose sum is σ = 900676896. Its totient is φ = 256225200.

The previous prime is 513561439. The next prime is 513561463. The reversal of 513561452 is 254165315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136799 + ... + 140502.

It is an arithmetic number, because the mean of its divisors is an integer number (75056408).

Almost surely, 2^513561452 is an apocalyptic number.

It is an amenable number.

513561452 is a deficient number, since it is larger than the sum of its proper divisors (387115444).

513561452 is a wasteful number, since it uses less digits than its factorization.

513561452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277768 (or 277766 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 513561452 is about 22661.8942721036. The cubic root of 513561452 is about 800.8124309157.

The spelling of 513561452 in words is "five hundred thirteen million, five hundred sixty-one thousand, four hundred fifty-two".