826280825 has 6 divisors (see below), whose sum is σ = 1024588254. Its totient is φ = 661024640.

The previous prime is 826280813. The next prime is 826280837. The reversal of 826280825 is 528082628.

It is an interprime number because it is at equal distance from previous prime (826280813) and next prime (826280837).

It can be written as a sum of positive squares in 3 ways, for example, as 160073104 + 666207721 = 12652^2 + 25811^2 .

It is not a de Polignac number, because 826280825 - 2⁴ = 826280809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16525592 + ... + 16525641.

It is an arithmetic number, because the mean of its divisors is an integer number (170764709).

Almost surely, 2^826280825 is an apocalyptic number.

It is an amenable number.

826280825 is a deficient number, since it is larger than the sum of its proper divisors (198307429).

826280825 is a wasteful number, since it uses less digits than its factorization.

826280825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33051243 (or 33051238 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 826280825 is about 28745.1008869338. The cubic root of 826280825 is about 938.3738388759.

The spelling of 826280825 in words is "eight hundred twenty-six million, two hundred eighty thousand, eight hundred twenty-five".