425970 has 24 divisors (see below), whose sum is σ = 1107756. Its totient is φ = 113568.

The previous prime is 425959. The next prime is 425977. The reversal of 425970 is 79524.

It can be written as a sum of positive squares in 2 ways, for example, as 400689 + 25281 = 633^2 + 159^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425970.

It is not an unprimeable number, because it can be changed into a prime (425977) by changing a digit.

425970 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2277 + ... + 2456.

2⁴²⁵⁹⁷⁰ is an apocalyptic number.

425970 is an abundant number, since it is smaller than the sum of its proper divisors (681786).

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

425970 is a wasteful number, since it uses less digits than its factorization.

425970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 425970 is about 652.6637725506. The cubic root of 425970 is about 75.2418857120.

The spelling of 425970 in words is "four hundred twenty-five thousand, nine hundred seventy".