426625461 has 20 divisors (see below), whose sum is σ = 649335852. Its totient is φ = 279047808.

The previous prime is 426625457. The next prime is 426625469. The reversal of 426625461 is 164526624.

426625461 is a `hidden beast` number, since 4 + 26 + 625 + 4 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123343236 + 303282225 = 11106^2 + 17415^2 .

It is not a de Polignac number, because 426625461 - 2² = 426625457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426625469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45396 + ... + 53981.

Almost surely, 2^426625461 is an apocalyptic number.

It is an amenable number.

426625461 is a deficient number, since it is larger than the sum of its proper divisors (222710391).

426625461 is an equidigital number, since it uses as much as digits as its factorization.

426625461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99442 (or 99433 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 426625461 is about 20654.9137253100. The cubic root of 426625461 is about 752.8045873140.

The spelling of 426625461 in words is "four hundred twenty-six million, six hundred twenty-five thousand, four hundred sixty-one".