513447213 has 8 divisors (see below), whose sum is σ = 692844768. Its totient is φ = 338173904.

The previous prime is 513447191. The next prime is 513447251. The reversal of 513447213 is 312744315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 513447213 - 2⁹ = 513446701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513447293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030770 + ... + 1031267.

It is an arithmetic number, because the mean of its divisors is an integer number (86605596).

Almost surely, 2^513447213 is an apocalyptic number.

It is an amenable number.

513447213 is a deficient number, since it is larger than the sum of its proper divisors (179397555).

513447213 is a wasteful number, since it uses less digits than its factorization.

513447213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062123.

The product of its digits is 10080, while the sum is 30.

The square root of 513447213 is about 22659.3736232933. The cubic root of 513447213 is about 800.7530476974.

The spelling of 513447213 in words is "five hundred thirteen million, four hundred forty-seven thousand, two hundred thirteen".