36029621 has 2 divisors, whose sum is σ = 36029622. Its totient is φ = 36029620.

The previous prime is 36029593. The next prime is 36029641. The reversal of 36029621 is 12692063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20340100 + 15689521 = 4510^2 + 3961^2 .

It is a cyclic number.

It is not a de Polignac number, because 36029621 - 2⁶ = 36029557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36029641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18014810 + 18014811.

It is an arithmetic number, because the mean of its divisors is an integer number (18014811).

Almost surely, 2^36029621 is an apocalyptic number.

It is an amenable number.

36029621 is a deficient number, since it is larger than the sum of its proper divisors (1).

36029621 is an equidigital number, since it uses as much as digits as its factorization.

36029621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 36029621 is about 6002.4679091187. The cubic root of 36029621 is about 330.2832615321.

The spelling of 36029621 in words is "thirty-six million, twenty-nine thousand, six hundred twenty-one".