426321425 has 6 divisors (see below), whose sum is σ = 528638598. Its totient is φ = 341057120.

The previous prime is 426321421. The next prime is 426321463. The reversal of 426321425 is 524123624.

It can be written as a sum of positive squares in 3 ways, for example, as 146689 + 426174736 = 383^2 + 20644^2 .

It is not a de Polignac number, because 426321425 - 2² = 426321421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426321421) 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, 8526404 + ... + 8526453.

It is an arithmetic number, because the mean of its divisors is an integer number (88106433).

Almost surely, 2^426321425 is an apocalyptic number.

It is an amenable number.

426321425 is a deficient number, since it is larger than the sum of its proper divisors (102317173).

426321425 is a wasteful number, since it uses less digits than its factorization.

426321425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17052867 (or 17052862 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 426321425 is about 20647.5525183979. The cubic root of 426321425 is about 752.6257152833.

The spelling of 426321425 in words is "four hundred twenty-six million, three hundred twenty-one thousand, four hundred twenty-five".