36511249 has 2 divisors, whose sum is σ = 36511250. Its totient is φ = 36511248.

The previous prime is 36511247. The next prime is 36511309. The reversal of 36511249 is 94211563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19864849 + 16646400 = 4457^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 36511249 - 2¹ = 36511247 is a prime.

Together with 36511247, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36511249.

It is not a weakly prime, because it can be changed into another prime (36511247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18255624 + 18255625.

It is an arithmetic number, because the mean of its divisors is an integer number (18255625).

Almost surely, 2^36511249 is an apocalyptic number.

It is an amenable number.

36511249 is a deficient number, since it is larger than the sum of its proper divisors (1).

36511249 is an equidigital number, since it uses as much as digits as its factorization.

36511249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 36511249 is about 6042.4538889428. The cubic root of 36511249 is about 331.7484455575.

It can be divided in two parts, 3651 and 1249, that added together give a square (4900 = 70²).

The spelling of 36511249 in words is "thirty-six million, five hundred eleven thousand, two hundred forty-nine".