425431442 has 8 divisors (see below), whose sum is σ = 638367600. Its totient is φ = 212642244.

The previous prime is 425431417. The next prime is 425431499. The reversal of 425431442 is 244134524.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 29192 + ... + 41267.

It is an arithmetic number, because the mean of its divisors is an integer number (79795950).

Almost surely, 2^425431442 is an apocalyptic number.

425431442 is a deficient number, since it is larger than the sum of its proper divisors (212936158).

425431442 is a wasteful number, since it uses less digits than its factorization.

425431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73480.

The product of its digits is 15360, while the sum is 29.

The square root of 425431442 is about 20625.9894792953. The cubic root of 425431442 is about 752.1016265721.

Adding to 425431442 its reverse (244134524), we get a palindrome (669565966).

The spelling of 425431442 in words is "four hundred twenty-five million, four hundred thirty-one thousand, four hundred forty-two".