36126581 has 8 divisors (see below), whose sum is σ = 40265280. Its totient is φ = 32211648.

The previous prime is 36126577. The next prime is 36126593. The reversal of 36126581 is 18562163.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36126581 - 2² = 36126577 is a prime.

It is a super-2 number, since 2×36126581² = 2610259709499122, 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 (36126281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55601 + ... + 56246.

It is an arithmetic number, because the mean of its divisors is an integer number (5033160).

Almost surely, 2^36126581 is an apocalyptic number.

It is an amenable number.

36126581 is a deficient number, since it is larger than the sum of its proper divisors (4138699).

36126581 is a wasteful number, since it uses less digits than its factorization.

36126581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111883.

The product of its digits is 8640, while the sum is 32.

The square root of 36126581 is about 6010.5391605080. The cubic root of 36126581 is about 330.5792733504.

The spelling of 36126581 in words is "thirty-six million, one hundred twenty-six thousand, five hundred eighty-one".