36501218 has 8 divisors (see below), whose sum is σ = 58963548. Its totient is φ = 16846704.

The previous prime is 36501217. The next prime is 36501251. The reversal of 36501218 is 81210563.

It can be written as a sum of positive squares in 2 ways, for example, as 31058329 + 5442889 = 5573^2 + 2333^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1403893 = 36501218 / (3 + 6 + 5 + 0 + 1 + 2 + 1 + 8).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (36501217) 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, 701921 + ... + 701972.

Almost surely, 2^36501218 is an apocalyptic number.

36501218 is a deficient number, since it is larger than the sum of its proper divisors (22462330).

36501218 is a wasteful number, since it uses less digits than its factorization.

36501218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403908.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 36501218 is about 6041.6237883536. The cubic root of 36501218 is about 331.7180615567.

The spelling of 36501218 in words is "thirty-six million, five hundred one thousand, two hundred eighteen".