82573825 has 12 divisors (see below), whose sum is σ = 105160060. Its totient is φ = 64272960.

The previous prime is 82573823. The next prime is 82573831. The reversal of 82573825 is 52837528.

It can be written as a sum of positive squares in 6 ways, for example, as 256 + 82573569 = 16^2 + 9087^2 .

It is not a de Polignac number, because 82573825 - 2¹ = 82573823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82573823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43710 + ... + 45559.

Almost surely, 2^82573825 is an apocalyptic number.

It is an amenable number.

82573825 is a deficient number, since it is larger than the sum of its proper divisors (22586235).

82573825 is a wasteful number, since it uses less digits than its factorization.

82573825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89316 (or 89311 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 82573825 is about 9087.0140860461. The cubic root of 82573825 is about 435.4591971256.

The spelling of 82573825 in words is "eighty-two million, five hundred seventy-three thousand, eight hundred twenty-five".