36189331 has 2 divisors, whose sum is σ = 36189332. Its totient is φ = 36189330.

The previous prime is 36189317. The next prime is 36189353. The reversal of 36189331 is 13398163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36189331 - 2⁵ = 36189299 is a prime.

It is a super-2 number, since 2×36189331² = 2619335356455122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36189371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18094665 + 18094666.

It is an arithmetic number, because the mean of its divisors is an integer number (18094666).

Almost surely, 2^36189331 is an apocalyptic number.

36189331 is a deficient number, since it is larger than the sum of its proper divisors (1).

36189331 is an equidigital number, since it uses as much as digits as its factorization.

36189331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 36189331 is about 6015.7568933593. The cubic root of 36189331 is about 330.7705623319.

The spelling of 36189331 in words is "thirty-six million, one hundred eighty-nine thousand, three hundred thirty-one".