426639125 has 16 divisors (see below), whose sum is σ = 580851648. Its totient is φ = 310282000.

The previous prime is 426639107. The next prime is 426639127. The reversal of 426639125 is 521936624.

It is not a de Polignac number, because 426639125 - 2⁶ = 426639061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426639127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 153767 + ... + 156516.

It is an arithmetic number, because the mean of its divisors is an integer number (36303228).

Almost surely, 2^426639125 is an apocalyptic number.

It is an amenable number.

426639125 is a deficient number, since it is larger than the sum of its proper divisors (154212523).

426639125 is a wasteful number, since it uses less digits than its factorization.

426639125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310309 (or 310299 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 426639125 is about 20655.2444914119. The cubic root of 426639125 is about 752.8126241934.

The spelling of 426639125 in words is "four hundred twenty-six million, six hundred thirty-nine thousand, one hundred twenty-five".