513836901 has 12 divisors (see below), whose sum is σ = 743726880. Its totient is φ = 341857320.

The previous prime is 513836891. The next prime is 513836903. The reversal of 513836901 is 109638315.

It is a happy number.

513836901 is a `hidden beast` number, since 513 + 83 + 69 + 0 + 1 = 666.

It is not a de Polignac number, because 513836901 - 2⁶ = 513836837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513836903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53721 + ... + 62558.

It is an arithmetic number, because the mean of its divisors is an integer number (61977240).

Almost surely, 2^513836901 is an apocalyptic number.

It is an amenable number.

513836901 is a deficient number, since it is larger than the sum of its proper divisors (229889979).

513836901 is a wasteful number, since it uses less digits than its factorization.

513836901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116776 (or 116773 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 513836901 is about 22667.9708178743. The cubic root of 513836901 is about 800.9555774061.

The spelling of 513836901 in words is "five hundred thirteen million, eight hundred thirty-six thousand, nine hundred one".