513263401 has 8 divisors (see below), whose sum is σ = 586779584. Its totient is φ = 439795440.

The previous prime is 513263393. The next prime is 513263407. The reversal of 513263401 is 104362315.

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

It is not a de Polignac number, because 513263401 - 2³ = 513263393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513263407) 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, 14731 + ... + 35263.

It is an arithmetic number, because the mean of its divisors is an integer number (73347448).

Almost surely, 2^513263401 is an apocalyptic number.

It is an amenable number.

513263401 is a deficient number, since it is larger than the sum of its proper divisors (73516183).

513263401 is a wasteful number, since it uses less digits than its factorization.

513263401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24111.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 513263401 is about 22655.3172787317. The cubic root of 513263401 is about 800.6574808548.

The spelling of 513263401 in words is "five hundred thirteen million, two hundred sixty-three thousand, four hundred one".