36163261 has 4 divisors (see below), whose sum is σ = 37410300. Its totient is φ = 34916224.

The previous prime is 36163247. The next prime is 36163313. The reversal of 36163261 is 16236163.

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 16048036 + 20115225 = 4006^2 + 4485^2 .

It is a cyclic number.

It is not a de Polignac number, because 36163261 - 2⁵ = 36163229 is a prime.

It is a pancake number, because a pancake can be divided into 36163261 parts by 8504 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36163661) 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, 623476 + ... + 623533.

It is an arithmetic number, because the mean of its divisors is an integer number (9352575).

Almost surely, 2^36163261 is an apocalyptic number.

It is an amenable number.

36163261 is a deficient number, since it is larger than the sum of its proper divisors (1247039).

36163261 is a wasteful number, since it uses less digits than its factorization.

36163261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247038.

The product of its digits is 3888, while the sum is 28.

The square root of 36163261 is about 6013.5896933529. The cubic root of 36163261 is about 330.6911166333.

The spelling of 36163261 in words is "thirty-six million, one hundred sixty-three thousand, two hundred sixty-one".