82970525 has 12 divisors (see below), whose sum is σ = 112236864. Its totient is φ = 60342000.

The previous prime is 82970483. The next prime is 82970527. The reversal of 82970525 is 52507928.

It is not a de Polignac number, because 82970525 - 2¹⁰ = 82969501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82970527) 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, 150581 + ... + 151130.

It is an arithmetic number, because the mean of its divisors is an integer number (9353072).

Almost surely, 2^82970525 is an apocalyptic number.

It is an amenable number.

82970525 is a deficient number, since it is larger than the sum of its proper divisors (29266339).

82970525 is a wasteful number, since it uses less digits than its factorization.

82970525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301732 (or 301727 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 82970525 is about 9108.8157847220. The cubic root of 82970525 is about 436.1554256774.

The spelling of 82970525 in words is "eighty-two million, nine hundred seventy thousand, five hundred twenty-five".