791587225 has 48 divisors (see below), whose sum is σ = 1160550720. Its totient is φ = 528019200.

The previous prime is 791587217. The next prime is 791587229. The reversal of 791587225 is 522785197.

It is a happy number.

It is not a de Polignac number, because 791587225 - 2³ = 791587217 is a prime.

It is a super-2 number, since 2×791587225² = 1253220669566401250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (791587229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 639307 + ... + 640543.

It is an arithmetic number, because the mean of its divisors is an integer number (24178140).

Almost surely, 2^791587225 is an apocalyptic number.

It is an amenable number.

791587225 is a deficient number, since it is larger than the sum of its proper divisors (368963495).

791587225 is a wasteful number, since it uses less digits than its factorization.

791587225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450 (or 1445 counting only the distinct ones).

The product of its digits is 352800, while the sum is 46.

The square root of 791587225 is about 28135.1599426767. The cubic root of 791587225 is about 925.0522395625.

The spelling of 791587225 in words is "seven hundred ninety-one million, five hundred eighty-seven thousand, two hundred twenty-five".