420082625 has 8 divisors (see below), whose sum is σ = 524263272. Its totient is φ = 336066000.

The previous prime is 420082601. The next prime is 420082627. The reversal of 420082625 is 526280024.

It can be written as a sum of positive squares in 4 ways, for example, as 7139584 + 412943041 = 2672^2 + 20321^2 .

It is not a de Polignac number, because 420082625 - 2⁶ = 420082561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420082627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680206 + ... + 1680455.

It is an arithmetic number, because the mean of its divisors is an integer number (65532909).

Almost surely, 2^420082625 is an apocalyptic number.

It is an amenable number.

420082625 is a deficient number, since it is larger than the sum of its proper divisors (104180647).

420082625 is an equidigital number, since it uses as much as digits as its factorization.

420082625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360676 (or 3360666 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 420082625 is about 20495.9172763748. The cubic root of 420082625 is about 748.9363440797.

The spelling of 420082625 in words is "four hundred twenty million, eighty-two thousand, six hundred twenty-five".