36665251 has 8 divisors (see below), whose sum is σ = 43348320. Its totient is φ = 30343488.

The previous prime is 36665249. The next prime is 36665257. The reversal of 36665251 is 15256663.

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

It is not a de Polignac number, because 36665251 - 2¹ = 36665249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36665257) 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, 90106 + ... + 90511.

It is an arithmetic number, because the mean of its divisors is an integer number (5418540).

Almost surely, 2^36665251 is an apocalyptic number.

36665251 is a deficient number, since it is larger than the sum of its proper divisors (6683069).

36665251 is a wasteful number, since it uses less digits than its factorization.

36665251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180653.

The product of its digits is 32400, while the sum is 34.

The square root of 36665251 is about 6055.1838122389. The cubic root of 36665251 is about 332.2142221978.

The spelling of 36665251 in words is "thirty-six million, six hundred sixty-five thousand, two hundred fifty-one".