36533491 has 2 divisors, whose sum is σ = 36533492. Its totient is φ = 36533490.

The previous prime is 36533489. The next prime is 36533503. The reversal of 36533491 is 19433563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36533491 - 2¹ = 36533489 is a prime.

Together with 36533489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36533461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18266745 + 18266746.

It is an arithmetic number, because the mean of its divisors is an integer number (18266746).

Almost surely, 2^36533491 is an apocalyptic number.

36533491 is a deficient number, since it is larger than the sum of its proper divisors (1).

36533491 is an equidigital number, since it uses as much as digits as its factorization.

36533491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 34.

The square root of 36533491 is about 6044.2940861609. The cubic root of 36533491 is about 331.8157969565.

It can be divided in two parts, 365 and 33491, that added together give a square (33856 = 184²).

The spelling of 36533491 in words is "thirty-six million, five hundred thirty-three thousand, four hundred ninety-one".