825718484 has 12 divisors (see below), whose sum is σ = 1446911508. Its totient is φ = 412315200.

The previous prime is 825718463. The next prime is 825718493. The reversal of 825718484 is 484817528.

It can be written as a sum of positive squares in 2 ways, for example, as 181980100 + 643738384 = 13490^2 + 25372^2 .

It is a super-2 number, since 2×825718484² = 1363622029638516512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 132587 + ... + 138674.

It is an arithmetic number, because the mean of its divisors is an integer number (120575959).

Almost surely, 2^825718484 is an apocalyptic number.

It is an amenable number.

825718484 is a deficient number, since it is larger than the sum of its proper divisors (621193024).

825718484 is a wasteful number, since it uses less digits than its factorization.

825718484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272026 (or 272024 counting only the distinct ones).

The product of its digits is 573440, while the sum is 47.

The square root of 825718484 is about 28735.3177118333. The cubic root of 825718484 is about 938.1609145604.

The spelling of 825718484 in words is "eight hundred twenty-five million, seven hundred eighteen thousand, four hundred eighty-four".