3652205021 has 2 divisors, whose sum is σ = 3652205022. Its totient is φ = 3652205020.

The previous prime is 3652205017. The next prime is 3652205057. The reversal of 3652205021 is 1205022563.

3652205021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3646468996 + 5736025 = 60386^2 + 2395^2 .

It is an emirp because it is prime and its reverse (1205022563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3652205021 - 2² = 3652205017 is a prime.

It is a super-2 number, since 2×3652205021² = 26677203030835220882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3652205521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1826102510 + 1826102511.

It is an arithmetic number, because the mean of its divisors is an integer number (1826102511).

Almost surely, 2^3652205021 is an apocalyptic number.

It is an amenable number.

3652205021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3652205021 is an equidigital number, since it uses as much as digits as its factorization.

3652205021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3652205021 is about 60433.4759963383. The cubic root of 3652205021 is about 1539.9917103337.

Adding to 3652205021 its reverse (1205022563), we get a palindrome (4857227584).

The spelling of 3652205021 in words is "three billion, six hundred fifty-two million, two hundred five thousand, twenty-one".