426828513 has 4 divisors (see below), whose sum is σ = 569104688. Its totient is φ = 284552340.

The previous prime is 426828509. The next prime is 426828517. The reversal of 426828513 is 315828624.

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 an interprime number because it is at equal distance from previous prime (426828509) and next prime (426828517).

It is not a de Polignac number, because 426828513 - 2² = 426828509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426828517) 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, 71138083 + ... + 71138088.

It is an arithmetic number, because the mean of its divisors is an integer number (142276172).

Almost surely, 2^426828513 is an apocalyptic number.

It is an amenable number.

426828513 is a deficient number, since it is larger than the sum of its proper divisors (142276175).

426828513 is a wasteful number, since it uses less digits than its factorization.

426828513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142276174.

The product of its digits is 92160, while the sum is 39.

The square root of 426828513 is about 20659.8284842832. The cubic root of 426828513 is about 752.9240005906.

The spelling of 426828513 in words is "four hundred twenty-six million, eight hundred twenty-eight thousand, five hundred thirteen".