426243451 has 4 divisors (see below), whose sum is σ = 426291904. Its totient is φ = 426195000.

The previous prime is 426243449. The next prime is 426243457. The reversal of 426243451 is 154342624.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 426243451 - 2¹ = 426243449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426243457) 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, 6900 + ... + 30001.

It is an arithmetic number, because the mean of its divisors is an integer number (106572976).

Almost surely, 2^426243451 is an apocalyptic number.

426243451 is a deficient number, since it is larger than the sum of its proper divisors (48453).

426243451 is a wasteful number, since it uses less digits than its factorization.

426243451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48452.

The product of its digits is 23040, while the sum is 31.

The square root of 426243451 is about 20645.6642179417. The cubic root of 426243451 is about 752.5798275155.

The spelling of 426243451 in words is "four hundred twenty-six million, two hundred forty-three thousand, four hundred fifty-one".