513227 has 16 divisors (see below), whose sum is σ = 625632. Its totient is φ = 414720.

The previous prime is 513203. The next prime is 513239. The reversal of 513227 is 722315.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513199 and 513208.

It is not an unprimeable number, because it can be changed into a prime (513257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5243 + ... + 5339.

It is an arithmetic number, because the mean of its divisors is an integer number (39102).

2⁵¹³²²⁷ is an apocalyptic number.

513227 is a deficient number, since it is larger than the sum of its proper divisors (112405).

513227 is a wasteful number, since it uses less digits than its factorization.

513227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158.

The product of its digits is 420, while the sum is 20.

The square root of 513227 is about 716.3986320478. The cubic root of 513227 is about 80.0638552677.

The spelling of 513227 in words is "five hundred thirteen thousand, two hundred twenty-seven".