36115573 has 4 divisors (see below), whose sum is σ = 38893708. Its totient is φ = 33337440.

The previous prime is 36115559. The next prime is 36115579. The reversal of 36115573 is 37551163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 24980004 = 3337^2 + 4998^2 .

It is a cyclic number.

It is not a de Polignac number, because 36115573 - 2⁹ = 36115061 is a prime.

It is a super-2 number, since 2×36115573² = 2608669226236658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36115579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389048 + ... + 1389073.

It is an arithmetic number, because the mean of its divisors is an integer number (9723427).

Almost surely, 2^36115573 is an apocalyptic number.

It is an amenable number.

36115573 is a deficient number, since it is larger than the sum of its proper divisors (2778135).

36115573 is a wasteful number, since it uses less digits than its factorization.

36115573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778134.

The product of its digits is 9450, while the sum is 31.

The square root of 36115573 is about 6009.6233659024. The cubic root of 36115573 is about 330.5456934008.

The spelling of 36115573 in words is "thirty-six million, one hundred fifteen thousand, five hundred seventy-three".