3615274081 has 2 divisors, whose sum is σ = 3615274082. Its totient is φ = 3615274080.

The previous prime is 3615274079. The next prime is 3615274133. The reversal of 3615274081 is 1804725163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3495174400 + 120099681 = 59120^2 + 10959^2 .

It is a cyclic number.

It is not a de Polignac number, because 3615274081 - 2¹ = 3615274079 is a prime.

It is a super-2 number, since 2×3615274081² = 26140413361500789122, which contains 22 as substring.

Together with 3615274079, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3615274081.

It is not a weakly prime, because it can be changed into another prime (3615274051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1807637040 + 1807637041.

It is an arithmetic number, because the mean of its divisors is an integer number (1807637041).

Almost surely, 2^3615274081 is an apocalyptic number.

It is an amenable number.

3615274081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3615274081 is an equidigital number, since it uses as much as digits as its factorization.

3615274081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 3615274081 is about 60127.1492838302. The cubic root of 3615274081 is about 1534.7833384391.

The spelling of 3615274081 in words is "three billion, six hundred fifteen million, two hundred seventy-four thousand, eighty-one".