945821625 has 128 divisors (see below), whose sum is σ = 1897758720. Its totient is φ = 409248000.

The previous prime is 945821587. The next prime is 945821627. The reversal of 945821625 is 526128549.

It is not a de Polignac number, because 945821625 - 2⁸ = 945821369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (945821627) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4801027 + ... + 4801223.

It is an arithmetic number, because the mean of its divisors is an integer number (14826240).

Almost surely, 2^945821625 is an apocalyptic number.

It is an amenable number.

945821625 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

945821625 is a wasteful number, since it uses less digits than its factorization.

945821625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 302 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 945821625 is about 30754.2131260093. The cubic root of 945821625 is about 981.6042117158.

The spelling of 945821625 in words is "nine hundred forty-five million, eight hundred twenty-one thousand, six hundred twenty-five".