82589701 has 2 divisors, whose sum is σ = 82589702. Its totient is φ = 82589700.

The previous prime is 82589687. The next prime is 82589729. The reversal of 82589701 is 10798528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78304801 + 4284900 = 8849^2 + 2070^2 .

It is a cyclic number.

It is not a de Polignac number, because 82589701 - 2⁹ = 82589189 is a prime.

It is a super-2 number, since 2×82589701² = 13642117422538802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82589201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41294850 + 41294851.

It is an arithmetic number, because the mean of its divisors is an integer number (41294851).

Almost surely, 2^82589701 is an apocalyptic number.

It is an amenable number.

82589701 is a deficient number, since it is larger than the sum of its proper divisors (1).

82589701 is an equidigital number, since it uses as much as digits as its factorization.

82589701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 82589701 is about 9087.8875983366. The cubic root of 82589701 is about 435.4871030921.

The spelling of 82589701 in words is "eighty-two million, five hundred eighty-nine thousand, seven hundred one".