36752021 has 2 divisors, whose sum is σ = 36752022. Its totient is φ = 36752020.

The previous prime is 36752003. The next prime is 36752047. The reversal of 36752021 is 12025763.

It is an a-pointer prime, because the next prime (36752047) can be obtained adding 36752021 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33814225 + 2937796 = 5815^2 + 1714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36752021 is a prime.

It is a super-2 number, since 2×36752021² = 2701422095168882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36752071) 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, 18376010 + 18376011.

It is an arithmetic number, because the mean of its divisors is an integer number (18376011).

Almost surely, 2^36752021 is an apocalyptic number.

It is an amenable number.

36752021 is a deficient number, since it is larger than the sum of its proper divisors (1).

36752021 is an equidigital number, since it uses as much as digits as its factorization.

36752021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 36752021 is about 6062.3445134700. The cubic root of 36752021 is about 332.4760824750.

Adding to 36752021 its reverse (12025763), we get a palindrome (48777784).

The spelling of 36752021 in words is "thirty-six million, seven hundred fifty-two thousand, twenty-one".