826648425 has 18 divisors (see below), whose sum is σ = 1480619582. Its totient is φ = 440879040.

The previous prime is 826648411. The next prime is 826648441. The reversal of 826648425 is 524846628.

826648425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 27342441 + 799305984 = 5229^2 + 28272^2 .

It is not a de Polignac number, because 826648425 - 2¹⁷ = 826517353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1836772 + ... + 1837221.

Almost surely, 2^826648425 is an apocalyptic number.

It is an amenable number.

826648425 is a deficient number, since it is larger than the sum of its proper divisors (653971157).

826648425 is a wasteful number, since it uses less digits than its factorization.

826648425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674009 (or 3674001 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 826648425 is about 28751.4943089920. The cubic root of 826648425 is about 938.5129744141.

The spelling of 826648425 in words is "eight hundred twenty-six million, six hundred forty-eight thousand, four hundred twenty-five".