513312046 has 16 divisors (see below), whose sum is σ = 849422448. Its totient is φ = 231134400.

The previous prime is 513312017. The next prime is 513312053. The reversal of 513312046 is 640213315.

It is a super-2 number, since 2×513312046² = 526978513137412232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513312046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239700 + ... + 241831.

It is an arithmetic number, because the mean of its divisors is an integer number (53088903).

Almost surely, 2^513312046 is an apocalyptic number.

513312046 is a deficient number, since it is larger than the sum of its proper divisors (336110402).

513312046 is a wasteful number, since it uses less digits than its factorization.

513312046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481587.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 513312046 is about 22656.3908423208. The cubic root of 513312046 is about 800.6827743998.

The spelling of 513312046 in words is "five hundred thirteen million, three hundred twelve thousand, forty-six".