425431876 has 9 divisors (see below), whose sum is σ = 744577981. Its totient is φ = 212695312.

The previous prime is 425431861. The next prime is 425431913. The reversal of 425431876 is 678134524.

The square root of 425431876 is 20626.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 175032900 + 250398976 = 13230^2 + 15824^2 .

It is a super-2 number, since 2×425431876² = 361984562233758752, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36096 + ... + 46408.

Almost surely, 2^425431876 is an apocalyptic number.

425431876 is the 20626-th square number.

It is an amenable number.

425431876 is a deficient number, since it is larger than the sum of its proper divisors (319146105).

425431876 is an frugal number, since it uses more digits than its factorization.

425431876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20630 (or 10315 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The cubic root of 425431876 is about 752.1018823219.

The spelling of 425431876 in words is "four hundred twenty-five million, four hundred thirty-one thousand, eight hundred seventy-six".