82901025 has 27 divisors (see below), whose sum is σ = 148729971. Its totient is φ = 44141040.

The previous prime is 82901023. The next prime is 82901051. The reversal of 82901025 is 52010928.

The square root of 82901025 is 9105.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29844369 + 53056656 = 5463^2 + 7284^2 .

It is not a de Polignac number, because 82901025 - 2¹ = 82901023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82901025.

It is not an unprimeable number, because it can be changed into a prime (82901023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 136272 + ... + 136878.

Almost surely, 2^82901025 is an apocalyptic number.

82901025 is the 9105-th square number.

82901025 is the 4553-rd centered octagonal number.

It is an amenable number.

82901025 is a deficient number, since it is larger than the sum of its proper divisors (65828946).

82901025 is an equidigital number, since it uses as much as digits as its factorization.

82901025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The cubic root of 82901025 is about 436.0336102502.

The spelling of 82901025 in words is "eighty-two million, nine hundred one thousand, twenty-five".