36038621 has 2 divisors, whose sum is σ = 36038622. Its totient is φ = 36038620.

The previous prime is 36038603. The next prime is 36038633. The reversal of 36038621 is 12683063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35940025 + 98596 = 5995^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 36038621 - 2¹⁰ = 36037597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36038641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18019310 + 18019311.

It is an arithmetic number, because the mean of its divisors is an integer number (18019311).

Almost surely, 2^36038621 is an apocalyptic number.

It is an amenable number.

36038621 is a deficient number, since it is larger than the sum of its proper divisors (1).

36038621 is an equidigital number, since it uses as much as digits as its factorization.

36038621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 36038621 is about 6003.2175539456. The cubic root of 36038621 is about 330.3107602198.

The spelling of 36038621 in words is "thirty-six million, thirty-eight thousand, six hundred twenty-one".