82525397 has 2 divisors, whose sum is σ = 82525398. Its totient is φ = 82525396.

The previous prime is 82525381. The next prime is 82525409. The reversal of 82525397 is 79352528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79459396 + 3066001 = 8914^2 + 1751^2 .

It is a cyclic number.

It is not a de Polignac number, because 82525397 - 2⁴ = 82525381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82525367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41262698 + 41262699.

It is an arithmetic number, because the mean of its divisors is an integer number (41262699).

Almost surely, 2^82525397 is an apocalyptic number.

It is an amenable number.

82525397 is a deficient number, since it is larger than the sum of its proper divisors (1).

82525397 is an equidigital number, since it uses as much as digits as its factorization.

82525397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 82525397 is about 9084.3490135507. The cubic root of 82525397 is about 435.3740509266.

The spelling of 82525397 in words is "eighty-two million, five hundred twenty-five thousand, three hundred ninety-seven".