425520620 has 48 divisors (see below), whose sum is σ = 1023230208. Its totient is φ = 145609920.

The previous prime is 425520617. The next prime is 425520629. The reversal of 425520620 is 26025524.

It is a self number, because there is not a number n which added to its sum of digits gives 425520620.

It is not an unprimeable number, because it can be changed into a prime (425520629) 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, 77279 + ... + 82601.

It is an arithmetic number, because the mean of its divisors is an integer number (21317296).

Almost surely, 2^425520620 is an apocalyptic number.

It is an amenable number.

425520620 is an abundant number, since it is smaller than the sum of its proper divisors (597709588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425520620 is a wasteful number, since it uses less digits than its factorization.

425520620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910 (or 5908 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 425520620 is about 20628.1511532178. The cubic root of 425520620 is about 752.1541741950.

The spelling of 425520620 in words is "four hundred twenty-five million, five hundred twenty thousand, six hundred twenty".