82594621 has 2 divisors, whose sum is σ = 82594622. Its totient is φ = 82594620.

The previous prime is 82594613. The next prime is 82594637. The reversal of 82594621 is 12649528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70795396 + 11799225 = 8414^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 82594621 - 2³ = 82594613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82594601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41297310 + 41297311.

It is an arithmetic number, because the mean of its divisors is an integer number (41297311).

Almost surely, 2^82594621 is an apocalyptic number.

It is an amenable number.

82594621 is a deficient number, since it is larger than the sum of its proper divisors (1).

82594621 is an equidigital number, since it uses as much as digits as its factorization.

82594621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 82594621 is about 9088.1582842730. The cubic root of 82594621 is about 435.4957504738.

It can be divided in two parts, 8259 and 4621, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 82594621 in words is "eighty-two million, five hundred ninety-four thousand, six hundred twenty-one".