36361261 has 2 divisors, whose sum is σ = 36361262. Its totient is φ = 36361260.

The previous prime is 36361223. The next prime is 36361267. The reversal of 36361261 is 16216363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36360900 + 361 = 6030^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 36361261 - 2⁹ = 36360749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36361267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18180630 + 18180631.

It is an arithmetic number, because the mean of its divisors is an integer number (18180631).

Almost surely, 2^36361261 is an apocalyptic number.

It is an amenable number.

36361261 is a deficient number, since it is larger than the sum of its proper divisors (1).

36361261 is an equidigital number, since it uses as much as digits as its factorization.

36361261 is an evil number, because the sum of its binary digits is even.

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

The square root of 36361261 is about 6030.0299335907. The cubic root of 36361261 is about 331.2935485169.

The spelling of 36361261 in words is "thirty-six million, three hundred sixty-one thousand, two hundred sixty-one".