36005251 has 4 divisors (see below), whose sum is σ = 36176104. Its totient is φ = 35834400.

The previous prime is 36005239. The next prime is 36005261. The reversal of 36005251 is 15250063.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15250063 = 2879 ⋅5297.

It is a cyclic number.

It is not a de Polignac number, because 36005251 - 2²¹ = 33908099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36005231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85110 + ... + 85531.

It is an arithmetic number, because the mean of its divisors is an integer number (9044026).

Almost surely, 2^36005251 is an apocalyptic number.

36005251 is a deficient number, since it is larger than the sum of its proper divisors (170853).

36005251 is a wasteful number, since it uses less digits than its factorization.

36005251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170852.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 36005251 is about 6000.4375673779. The cubic root of 36005251 is about 330.2087782015.

The spelling of 36005251 in words is "thirty-six million, five thousand, two hundred fifty-one".