513338953 has 8 divisors (see below), whose sum is σ = 547817472. Its totient is φ = 479336256.

The previous prime is 513338929. The next prime is 513339019. The reversal of 513338953 is 359833315.

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 513338953 - 2¹³ = 513330761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513338753) 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, 116725 + ... + 121042.

It is an arithmetic number, because the mean of its divisors is an integer number (68477184).

Almost surely, 2^513338953 is an apocalyptic number.

It is an amenable number.

513338953 is a deficient number, since it is larger than the sum of its proper divisors (34478519).

513338953 is a wasteful number, since it uses less digits than its factorization.

513338953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237911.

The product of its digits is 145800, while the sum is 40.

The square root of 513338953 is about 22656.9846405032. The cubic root of 513338953 is about 800.6967643273.

The spelling of 513338953 in words is "five hundred thirteen million, three hundred thirty-eight thousand, nine hundred fifty-three".