87583273 has 2 divisors, whose sum is σ = 87583274. Its totient is φ = 87583272.

The previous prime is 87583259. The next prime is 87583289. The reversal of 87583273 is 37238578.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83850649 + 3732624 = 9157^2 + 1932^2 .

It is a cyclic number.

It is not a de Polignac number, because 87583273 - 2²⁵ = 54028841 is a prime.

It is not a weakly prime, because it can be changed into another prime (87583213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43791636 + 43791637.

It is an arithmetic number, because the mean of its divisors is an integer number (43791637).

Almost surely, 2^87583273 is an apocalyptic number.

It is an amenable number.

87583273 is a deficient number, since it is larger than the sum of its proper divisors (1).

87583273 is an equidigital number, since it uses as much as digits as its factorization.

87583273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 87583273 is about 9358.5935374927. The cubic root of 87583273 is about 444.0927913224.

It can be divided in two parts, 875 and 83273, that added together give a palindrome (84148).

The spelling of 87583273 in words is "eighty-seven million, five hundred eighty-three thousand, two hundred seventy-three".