420650625 has 40 divisors (see below), whose sum is σ = 723568384. Its totient is φ = 217080000.

The previous prime is 420650617. The next prime is 420650627. The reversal of 420650625 is 526056024.

It is not a de Polignac number, because 420650625 - 2³ = 420650617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420650592 and 420650601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420650627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54507 + ... + 61743.

Almost surely, 2^420650625 is an apocalyptic number.

It is an amenable number.

420650625 is a deficient number, since it is larger than the sum of its proper divisors (302917759).

420650625 is an equidigital number, since it uses as much as digits as its factorization.

420650625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291 (or 7276 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 420650625 is about 20509.7690138139. The cubic root of 420650625 is about 749.2737414027.

The spelling of 420650625 in words is "four hundred twenty million, six hundred fifty thousand, six hundred twenty-five".