3652314581 has 2 divisors, whose sum is σ = 3652314582. Its totient is φ = 3652314580.

The previous prime is 3652314571. The next prime is 3652314599. The reversal of 3652314581 is 1854132563.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3652268356 + 46225 = 60434^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 3652314581 - 2²² = 3648120277 is a prime.

It is a super-2 number, since 2×3652314581² = 26678803597170411122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3652314551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1826157290 + 1826157291.

It is an arithmetic number, because the mean of its divisors is an integer number (1826157291).

Almost surely, 2^3652314581 is an apocalyptic number.

It is an amenable number.

3652314581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3652314581 is an equidigital number, since it uses as much as digits as its factorization.

3652314581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 3652314581 is about 60434.3824407928. The cubic root of 3652314581 is about 1540.0071092324.

The spelling of 3652314581 in words is "three billion, six hundred fifty-two million, three hundred fourteen thousand, five hundred eighty-one".