425311988 has 12 divisors (see below), whose sum is σ = 748863360. Its totient is φ = 211351032.

The previous prime is 425311987. The next prime is 425312009. The reversal of 425311988 is 889113524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425311981) 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, 325508 + ... + 326811.

It is an arithmetic number, because the mean of its divisors is an integer number (62405280).

Almost surely, 2^425311988 is an apocalyptic number.

It is an amenable number.

425311988 is a deficient number, since it is larger than the sum of its proper divisors (323551372).

425311988 is a wasteful number, since it uses less digits than its factorization.

425311988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652486 (or 652484 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 425311988 is about 20623.0935603755. The cubic root of 425311988 is about 752.0312274832.

The spelling of 425311988 in words is "four hundred twenty-five million, three hundred eleven thousand, nine hundred eighty-eight".