36018457 has 4 divisors (see below), whose sum is σ = 36217636. Its totient is φ = 35819280.

The previous prime is 36018449. The next prime is 36018467. The reversal of 36018457 is 75481063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19175641 + 16842816 = 4379^2 + 4104^2 .

It is a cyclic number.

It is not a de Polignac number, because 36018457 - 2³ = 36018449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36018407) 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, 99318 + ... + 99679.

It is an arithmetic number, because the mean of its divisors is an integer number (9054409).

Almost surely, 2^36018457 is an apocalyptic number.

It is an amenable number.

36018457 is a deficient number, since it is larger than the sum of its proper divisors (199179).

36018457 is a wasteful number, since it uses less digits than its factorization.

36018457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199178.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 36018457 is about 6001.5378862422. The cubic root of 36018457 is about 330.2491445738.

The spelling of 36018457 in words is "thirty-six million, eighteen thousand, four hundred fifty-seven".