36542621 has 2 divisors, whose sum is σ = 36542622. Its totient is φ = 36542620.

The previous prime is 36542609. The next prime is 36542629. The reversal of 36542621 is 12624563.

36542621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22562500 + 13980121 = 4750^2 + 3739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36542621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36542629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18271310 + 18271311.

It is an arithmetic number, because the mean of its divisors is an integer number (18271311).

Almost surely, 2^36542621 is an apocalyptic number.

It is an amenable number.

36542621 is a deficient number, since it is larger than the sum of its proper divisors (1).

36542621 is an equidigital number, since it uses as much as digits as its factorization.

36542621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 36542621 is about 6045.0492967386. The cubic root of 36542621 is about 331.8434357597.

The spelling of 36542621 in words is "thirty-six million, five hundred forty-two thousand, six hundred twenty-one".