425131144 has 16 divisors (see below), whose sum is σ = 799722000. Its totient is φ = 211871952.

The previous prime is 425131129. The next prime is 425131151. The reversal of 425131144 is 441131524.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84094 + ... + 89005.

It is an arithmetic number, because the mean of its divisors is an integer number (49982625).

Almost surely, 2^425131144 is an apocalyptic number.

It is an amenable number.

425131144 is a deficient number, since it is larger than the sum of its proper divisors (374590856).

425131144 is a wasteful number, since it uses less digits than its factorization.

425131144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173412 (or 173408 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 425131144 is about 20618.7085919560. The cubic root of 425131144 is about 751.9246236883.

Adding to 425131144 its reverse (441131524), we get a palindrome (866262668).

The spelling of 425131144 in words is "four hundred twenty-five million, one hundred thirty-one thousand, one hundred forty-four".