464257213 has 6 divisors (see below), whose sum is σ = 540054366. Its totient is φ = 397934712.

The previous prime is 464257193. The next prime is 464257279. The reversal of 464257213 is 312752464.

It can be written as a sum of positive squares in only one way, i.e., 336612409 + 127644804 = 18347^2 + 11298^2 .

It is not a de Polignac number, because 464257213 - 2²⁵ = 430702781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464257513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4737270 + ... + 4737367.

It is an arithmetic number, because the mean of its divisors is an integer number (90009061).

Almost surely, 2^464257213 is an apocalyptic number.

It is an amenable number.

464257213 is a deficient number, since it is larger than the sum of its proper divisors (75797153).

464257213 is an equidigital number, since it uses as much as digits as its factorization.

464257213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9474651 (or 9474644 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 464257213 is about 21546.6288082382. The cubic root of 464257213 is about 774.3183533951.

The spelling of 464257213 in words is "four hundred sixty-four million, two hundred fifty-seven thousand, two hundred thirteen".