513053999 has 8 divisors (see below), whose sum is σ = 560757888. Its totient is φ = 467297280.

The previous prime is 513053971. The next prime is 513054019. The reversal of 513053999 is 999350315.

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 513053999 - 2²⁴ = 496276783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513053969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486242 + ... + 487295.

It is an arithmetic number, because the mean of its divisors is an integer number (70094736).

Almost surely, 2^513053999 is an apocalyptic number.

513053999 is a deficient number, since it is larger than the sum of its proper divisors (47703889).

513053999 is a wasteful number, since it uses less digits than its factorization.

513053999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973585.

The product of its (nonzero) digits is 164025, while the sum is 44.

The square root of 513053999 is about 22650.6953314904. The cubic root of 513053999 is about 800.5485815494.

The spelling of 513053999 in words is "five hundred thirteen million, fifty-three thousand, nine hundred ninety-nine".