513451401 has 4 divisors (see below), whose sum is σ = 684601872. Its totient is φ = 342300932.

The previous prime is 513451381. The next prime is 513451417. The reversal of 513451401 is 104154315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513451401 - 2⁷ = 513451273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513451451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85575231 + ... + 85575236.

It is an arithmetic number, because the mean of its divisors is an integer number (171150468).

Almost surely, 2^513451401 is an apocalyptic number.

It is an amenable number.

513451401 is a deficient number, since it is larger than the sum of its proper divisors (171150471).

513451401 is a wasteful number, since it uses less digits than its factorization.

513451401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171150470.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 513451401 is about 22659.4660351916. The cubic root of 513451401 is about 800.7552248408.

The spelling of 513451401 in words is "five hundred thirteen million, four hundred fifty-one thousand, four hundred one".