36118531 has 2 divisors, whose sum is σ = 36118532. Its totient is φ = 36118530.

The previous prime is 36118517. The next prime is 36118541. The reversal of 36118531 is 13581163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36118531 - 2¹³ = 36110339 is a prime.

It is a super-2 number, since 2×36118531² = 2609096563195922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36118531.

It is not a weakly prime, because it can be changed into another prime (36118541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18059265 + 18059266.

It is an arithmetic number, because the mean of its divisors is an integer number (18059266).

Almost surely, 2^36118531 is an apocalyptic number.

36118531 is a deficient number, since it is larger than the sum of its proper divisors (1).

36118531 is an equidigital number, since it uses as much as digits as its factorization.

36118531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 36118531 is about 6009.8694661365. The cubic root of 36118531 is about 330.5547174624.

Adding to 36118531 its reverse (13581163), we get a palindrome (49699694).

The spelling of 36118531 in words is "thirty-six million, one hundred eighteen thousand, five hundred thirty-one".