426213345 has 32 divisors (see below), whose sum is σ = 723686400. Its totient is φ = 213735104.

The previous prime is 426213317. The next prime is 426213407. The reversal of 426213345 is 543312624.

It is a cyclic number.

It is not a de Polignac number, because 426213345 - 2⁹ = 426212833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9886 + ... + 30824.

It is an arithmetic number, because the mean of its divisors is an integer number (22615200).

Almost surely, 2^426213345 is an apocalyptic number.

It is an amenable number.

426213345 is a deficient number, since it is larger than the sum of its proper divisors (297473055).

426213345 is a wasteful number, since it uses less digits than its factorization.

426213345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21029.

The product of its digits is 17280, while the sum is 30.

The square root of 426213345 is about 20644.9350931409. The cubic root of 426213345 is about 752.5621086104.

Adding to 426213345 its reverse (543312624), we get a palindrome (969525969).

The spelling of 426213345 in words is "four hundred twenty-six million, two hundred thirteen thousand, three hundred forty-five".