82425901 has 2 divisors, whose sum is σ = 82425902. Its totient is φ = 82425900.

The previous prime is 82425887. The next prime is 82425947. The reversal of 82425901 is 10952428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41912676 + 40513225 = 6474^2 + 6365^2 .

It is a cyclic number.

It is not a de Polignac number, because 82425901 - 2¹⁹ = 81901613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82425991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41212950 + 41212951.

It is an arithmetic number, because the mean of its divisors is an integer number (41212951).

Almost surely, 2^82425901 is an apocalyptic number.

It is an amenable number.

82425901 is a deficient number, since it is larger than the sum of its proper divisors (1).

82425901 is an equidigital number, since it uses as much as digits as its factorization.

82425901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 82425901 is about 9078.8711302672. The cubic root of 82425901 is about 435.1990122983.

The spelling of 82425901 in words is "eighty-two million, four hundred twenty-five thousand, nine hundred one".