513245901 has 8 divisors (see below), whose sum is σ = 782089024. Its totient is φ = 293283360.

The previous prime is 513245899. The next prime is 513245911. The reversal of 513245901 is 109542315.

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

It is not a de Polignac number, because 513245901 - 2¹ = 513245899 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513245911) 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, 12220120 + ... + 12220161.

It is an arithmetic number, because the mean of its divisors is an integer number (97761128).

Almost surely, 2^513245901 is an apocalyptic number.

It is an amenable number.

513245901 is a deficient number, since it is larger than the sum of its proper divisors (268843123).

513245901 is a wasteful number, since it uses less digits than its factorization.

513245901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24440291.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 513245901 is about 22654.9310526428. The cubic root of 513245901 is about 800.6483811313.

The spelling of 513245901 in words is "five hundred thirteen million, two hundred forty-five thousand, nine hundred one".