36115601 has 2 divisors, whose sum is σ = 36115602. Its totient is φ = 36115600.

The previous prime is 36115579. The next prime is 36115609. The reversal of 36115601 is 10651163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21864976 + 14250625 = 4676^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 36115601 - 2¹⁸ = 35853457 is a prime.

It is a Chen prime.

It is equal to p_2210927 and since 36115601 and 2210927 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (36115609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18057800 + 18057801.

It is an arithmetic number, because the mean of its divisors is an integer number (18057801).

Almost surely, 2^36115601 is an apocalyptic number.

It is an amenable number.

36115601 is a deficient number, since it is larger than the sum of its proper divisors (1).

36115601 is an equidigital number, since it uses as much as digits as its factorization.

36115601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 36115601 is about 6009.6256954988. The cubic root of 36115601 is about 330.5457788235.

Adding to 36115601 its reverse (10651163), we get a palindrome (46766764).

The spelling of 36115601 in words is "thirty-six million, one hundred fifteen thousand, six hundred one".