82826625 has 64 divisors (see below), whose sum is σ = 159344640. Its totient is φ = 37425600.

The previous prime is 82826621. The next prime is 82826629. The reversal of 82826625 is 52662828.

It is an interprime number because it is at equal distance from previous prime (82826621) and next prime (82826629).

It is not a de Polignac number, because 82826625 - 2² = 82826621 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82826621) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 364762 + ... + 364988.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^82826625 is an apocalyptic number.

82826625 is the 4865-th nonagonal number.

It is an amenable number.

82826625 is a deficient number, since it is larger than the sum of its proper divisors (76518015).

82826625 is a wasteful number, since it uses less digits than its factorization.

82826625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 381 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 82826625 is about 9100.9134156963. The cubic root of 82826625 is about 435.9031309218.

The spelling of 82826625 in words is "eighty-two million, eight hundred twenty-six thousand, six hundred twenty-five".