36253561 has 2 divisors, whose sum is σ = 36253562. Its totient is φ = 36253560.

The previous prime is 36253541. The next prime is 36253579. The reversal of 36253561 is 16535263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22857961 + 13395600 = 4781^2 + 3660^2 .

It is a cyclic number.

It is not a de Polignac number, because 36253561 - 2¹⁹ = 35729273 is a prime.

It is not a weakly prime, because it can be changed into another prime (36253531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18126780 + 18126781.

It is an arithmetic number, because the mean of its divisors is an integer number (18126781).

Almost surely, 2^36253561 is an apocalyptic number.

It is an amenable number.

36253561 is a deficient number, since it is larger than the sum of its proper divisors (1).

36253561 is an equidigital number, since it uses as much as digits as its factorization.

36253561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

The square root of 36253561 is about 6021.0930070877. The cubic root of 36253561 is about 330.9661341206.

The spelling of 36253561 in words is "thirty-six million, two hundred fifty-three thousand, five hundred sixty-one".