36605251 has 8 divisors (see below), whose sum is σ = 37648800. Its totient is φ = 35568960.

The previous prime is 36605237. The next prime is 36605291. The reversal of 36605251 is 15250663.

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 36605251 - 2⁷ = 36605123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36605291) 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, 9370 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (4706100).

Almost surely, 2^36605251 is an apocalyptic number.

36605251 is a deficient number, since it is larger than the sum of its proper divisors (1043549).

36605251 is a wasteful number, since it uses less digits than its factorization.

36605251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 36605251 is about 6050.2273511001. The cubic root of 36605251 is about 332.0329085055.

It can be divided in two parts, 36605 and 251, that added together give a triangular number (36856 = T₂₇₁).

The spelling of 36605251 in words is "thirty-six million, six hundred five thousand, two hundred fifty-one".