425159947 has 16 divisors (see below), whose sum is σ = 446358528. Its totient is φ = 404483040.

The previous prime is 425159927. The next prime is 425159971. The reversal of 425159947 is 749951524.

It is not a de Polignac number, because 425159947 - 2¹⁵ = 425127179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425159897 and 425159906.

It is not an unprimeable number, because it can be changed into a prime (425159927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959508 + ... + 959950.

It is an arithmetic number, because the mean of its divisors is an integer number (27897408).

Almost surely, 2^425159947 is an apocalyptic number.

425159947 is a deficient number, since it is larger than the sum of its proper divisors (21198581).

425159947 is a wasteful number, since it uses less digits than its factorization.

425159947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930.

The product of its digits is 453600, while the sum is 46.

The square root of 425159947 is about 20619.4070477305. The cubic root of 425159947 is about 751.9416044845.

The spelling of 425159947 in words is "four hundred twenty-five million, one hundred fifty-nine thousand, nine hundred forty-seven".