826525 has 12 divisors (see below), whose sum is σ = 1171552. Its totient is φ = 566640.

The previous prime is 826499. The next prime is 826541. The reversal of 826525 is 525628.

826525 = T₂₇₀ + T₂₇₁ + ... + T₂₉₀.

It is not a de Polignac number, because 826525 - 2⁵ = 826493 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 826493 and 826502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2187 + ... + 2536.

2⁸²⁶⁵²⁵ is an apocalyptic number.

It is an amenable number.

826525 is a deficient number, since it is larger than the sum of its proper divisors (345027).

826525 is a wasteful number, since it uses less digits than its factorization.

826525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740 (or 4735 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 826525 is about 909.1342035145. The cubic root of 826525 is about 93.8466263009.

The spelling of 826525 in words is "eight hundred twenty-six thousand, five hundred twenty-five".