513164481 has 8 divisors (see below), whose sum is σ = 684793824. Its totient is φ = 341822400.

The previous prime is 513164467. The next prime is 513164489. The reversal of 513164481 is 184461315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513164481 - 2⁶ = 513164417 is a prime.

It is a super-2 number, since 2×513164481² = 526675569119998722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (513164489) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 67611 + ... + 74816.

It is an arithmetic number, because the mean of its divisors is an integer number (85599228).

Almost surely, 2^513164481 is an apocalyptic number.

It is an amenable number.

513164481 is a deficient number, since it is larger than the sum of its proper divisors (171629343).

513164481 is a wasteful number, since it uses less digits than its factorization.

513164481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143631.

The product of its digits is 11520, while the sum is 33.

The square root of 513164481 is about 22653.1340215874. The cubic root of 513164481 is about 800.6060412973.

The spelling of 513164481 in words is "five hundred thirteen million, one hundred sixty-four thousand, four hundred eighty-one".