513774481 has 8 divisors (see below), whose sum is σ = 561713184. Its totient is φ = 466041120.

The previous prime is 513774467. The next prime is 513774491. The reversal of 513774481 is 184477315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 513774481 - 2²⁷ = 379556753 is a prime.

It is a super-2 number, since 2×513774481² = 527928434653638722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513774461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46075 + ... + 56128.

It is an arithmetic number, because the mean of its divisors is an integer number (70214148).

Almost surely, 2^513774481 is an apocalyptic number.

It is an amenable number.

513774481 is a deficient number, since it is larger than the sum of its proper divisors (47938703).

513774481 is a wasteful number, since it uses less digits than its factorization.

513774481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102671.

The product of its digits is 94080, while the sum is 40.

The square root of 513774481 is about 22666.5939435108. The cubic root of 513774481 is about 800.9231432027.

The spelling of 513774481 in words is "five hundred thirteen million, seven hundred seventy-four thousand, four hundred eighty-one".