82573087 has 2 divisors, whose sum is σ = 82573088. Its totient is φ = 82573086.

The previous prime is 82573081. The next prime is 82573123. The reversal of 82573087 is 78037528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82573087 - 2³ = 82573079 is a prime.

It is a super-3 number, since 3×82573087³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82573081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41286543 + 41286544.

It is an arithmetic number, because the mean of its divisors is an integer number (41286544).

Almost surely, 2^82573087 is an apocalyptic number.

82573087 is a deficient number, since it is larger than the sum of its proper divisors (1).

82573087 is an equidigital number, since it uses as much as digits as its factorization.

82573087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 82573087 is about 9086.9734785571. The cubic root of 82573087 is about 435.4578998224.

The spelling of 82573087 in words is "eighty-two million, five hundred seventy-three thousand, eighty-seven".