425144005 has 48 divisors (see below), whose sum is σ = 614739456. Its totient is φ = 279701760.

The previous prime is 425143997. The next prime is 425144021. The reversal of 425144005 is 500441524.

It is a happy number.

It is not a de Polignac number, because 425144005 - 2³ = 425143997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 492204 + ... + 493066.

It is an arithmetic number, because the mean of its divisors is an integer number (12807072).

Almost surely, 2^425144005 is an apocalyptic number.

It is an amenable number.

425144005 is a deficient number, since it is larger than the sum of its proper divisors (189595451).

425144005 is a wasteful number, since it uses less digits than its factorization.

425144005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 425144005 is about 20619.0204665498. The cubic root of 425144005 is about 751.9322059801.

Adding to 425144005 its reverse (500441524), we get a palindrome (925585529).

The spelling of 425144005 in words is "four hundred twenty-five million, one hundred forty-four thousand, five".