36266261 has 2 divisors, whose sum is σ = 36266262. Its totient is φ = 36266260.

The previous prime is 36266233. The next prime is 36266299. The reversal of 36266261 is 16266263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29920900 + 6345361 = 5470^2 + 2519^2 .

It is a cyclic number.

It is not a de Polignac number, because 36266261 - 2¹⁴ = 36249877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36266761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18133130 + 18133131.

It is an arithmetic number, because the mean of its divisors is an integer number (18133131).

Almost surely, 2^36266261 is an apocalyptic number.

It is an amenable number.

36266261 is a deficient number, since it is larger than the sum of its proper divisors (1).

36266261 is an equidigital number, since it uses as much as digits as its factorization.

36266261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 36266261 is about 6022.1475405373. The cubic root of 36266261 is about 331.0047765700.

The spelling of 36266261 in words is "thirty-six million, two hundred sixty-six thousand, two hundred sixty-one".