425811772 has 12 divisors (see below), whose sum is σ = 745940160. Its totient is φ = 212686016.

The previous prime is 425811769. The next prime is 425811787. The reversal of 425811772 is 277118524.

It is a congruent number.

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, 50572 + ... + 58387.

It is an arithmetic number, because the mean of its divisors is an integer number (62161680).

Almost surely, 2^425811772 is an apocalyptic number.

It is an amenable number.

425811772 is a deficient number, since it is larger than the sum of its proper divisors (320128388).

425811772 is a wasteful number, since it uses less digits than its factorization.

425811772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109940 (or 109938 counting only the distinct ones).

The product of its digits is 31360, while the sum is 37.

The square root of 425811772 is about 20635.2070985488. The cubic root of 425811772 is about 752.3256827380.

The spelling of 425811772 in words is "four hundred twenty-five million, eight hundred eleven thousand, seven hundred seventy-two".