825554972 has 48 divisors (see below), whose sum is σ = 1616633088. Its totient is φ = 365713920.

The previous prime is 825554971. The next prime is 825554993. The reversal of 825554972 is 279455528.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825554971) 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, 284513 + ... + 287399.

It is an arithmetic number, because the mean of its divisors is an integer number (33679856).

Almost surely, 2^825554972 is an apocalyptic number.

It is an amenable number.

825554972 is a deficient number, since it is larger than the sum of its proper divisors (791078116).

825554972 is a wasteful number, since it uses less digits than its factorization.

825554972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066 (or 3064 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The square root of 825554972 is about 28732.4724310318. The cubic root of 825554972 is about 938.0989843759.

The spelling of 825554972 in words is "eight hundred twenty-five million, five hundred fifty-four thousand, nine hundred seventy-two".