826497025 has 12 divisors (see below), whose sum is σ = 1032341292. Its totient is φ = 656368640.

The previous prime is 826496981. The next prime is 826497031. The reversal of 826497025 is 520794628.

It can be written as a sum of positive squares in 6 ways, for example, as 31708161 + 794788864 = 5631^2 + 28192^2 .

It is not a de Polignac number, because 826497025 - 2¹⁹ = 825972737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117232 + ... + 124081.

It is an arithmetic number, because the mean of its divisors is an integer number (86028441).

Almost surely, 2^826497025 is an apocalyptic number.

It is an amenable number.

826497025 is a deficient number, since it is larger than the sum of its proper divisors (205844267).

826497025 is a wasteful number, since it uses less digits than its factorization.

826497025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241460 (or 241455 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 826497025 is about 28748.8612817969. The cubic root of 826497025 is about 938.4556749482.

The spelling of 826497025 in words is "eight hundred twenty-six million, four hundred ninety-seven thousand, twenty-five".