36023557 has 2 divisors, whose sum is σ = 36023558. Its totient is φ = 36023556.

The previous prime is 36023549. The next prime is 36023579. The reversal of 36023557 is 75532063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24740676 + 11282881 = 4974^2 + 3359^2 .

It is a cyclic number.

It is not a de Polignac number, because 36023557 - 2³ = 36023549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36023587) 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, 18011778 + 18011779.

It is an arithmetic number, because the mean of its divisors is an integer number (18011779).

Almost surely, 2^36023557 is an apocalyptic number.

It is an amenable number.

36023557 is a deficient number, since it is larger than the sum of its proper divisors (1).

36023557 is an equidigital number, since it uses as much as digits as its factorization.

36023557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 36023557 is about 6001.9627622970. The cubic root of 36023557 is about 330.2647309452.

The spelling of 36023557 in words is "thirty-six million, twenty-three thousand, five hundred fifty-seven".