36013771 has 4 divisors (see below), whose sum is σ = 36297472. Its totient is φ = 35730072.

The previous prime is 36013763. The next prime is 36013801. The reversal of 36013771 is 17731063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17731063 = 7 ⋅2533009.

It is a cyclic number.

It is not a de Polignac number, because 36013771 - 2³ = 36013763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36013741) 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, 141660 + ... + 141913.

It is an arithmetic number, because the mean of its divisors is an integer number (9074368).

Almost surely, 2^36013771 is an apocalyptic number.

36013771 is a deficient number, since it is larger than the sum of its proper divisors (283701).

36013771 is a wasteful number, since it uses less digits than its factorization.

36013771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283700.

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 36013771 is about 6001.1474736087. The cubic root of 36013771 is about 330.2348221519.

The spelling of 36013771 in words is "thirty-six million, thirteen thousand, seven hundred seventy-one".