426225609 has 6 divisors (see below), whose sum is σ = 615659226. Its totient is φ = 284150400.

The previous prime is 426225587. The next prime is 426225647. The reversal of 426225609 is 906522624.

426225609 is a `hidden beast` number, since 4 + 26 + 2 + 25 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 406909584 + 19316025 = 20172^2 + 4395^2 .

It is not a de Polignac number, because 426225609 - 2¹² = 426221513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426245609) 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, 23679192 + ... + 23679209.

It is an arithmetic number, because the mean of its divisors is an integer number (102609871).

Almost surely, 2^426225609 is an apocalyptic number.

It is an amenable number.

426225609 is a deficient number, since it is larger than the sum of its proper divisors (189433617).

426225609 is a wasteful number, since it uses less digits than its factorization.

426225609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47358407 (or 47358404 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 426225609 is about 20645.2321130086. The cubic root of 426225609 is about 752.5693266960.

The spelling of 426225609 in words is "four hundred twenty-six million, two hundred twenty-five thousand, six hundred nine".