513252223 has 4 divisors (see below), whose sum is σ = 559911528. Its totient is φ = 466592920.

The previous prime is 513252217. The next prime is 513252239. The reversal of 513252223 is 322252315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513252223 - 2⁵ = 513252191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513252323) 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, 23329636 + ... + 23329657.

It is an arithmetic number, because the mean of its divisors is an integer number (139977882).

Almost surely, 2^513252223 is an apocalyptic number.

513252223 is a deficient number, since it is larger than the sum of its proper divisors (46659305).

513252223 is a wasteful number, since it uses less digits than its factorization.

513252223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46659304.

The product of its digits is 3600, while the sum is 25.

The square root of 513252223 is about 22655.0705803359. The cubic root of 513252223 is about 800.6516684952.

The spelling of 513252223 in words is "five hundred thirteen million, two hundred fifty-two thousand, two hundred twenty-three".