87265033 has 2 divisors, whose sum is σ = 87265034. Its totient is φ = 87265032.

The previous prime is 87264997. The next prime is 87265037. The reversal of 87265033 is 33056278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71961289 + 15303744 = 8483^2 + 3912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87265033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87265033.

It is not a weakly prime, because it can be changed into another prime (87265037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43632516 + 43632517.

It is an arithmetic number, because the mean of its divisors is an integer number (43632517).

Almost surely, 2^87265033 is an apocalyptic number.

It is an amenable number.

87265033 is a deficient number, since it is larger than the sum of its proper divisors (1).

87265033 is an equidigital number, since it uses as much as digits as its factorization.

87265033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 87265033 is about 9341.5755095166. The cubic root of 87265033 is about 443.5542577012.

The spelling of 87265033 in words is "eighty-seven million, two hundred sixty-five thousand, thirty-three".