3561545137 has 2 divisors, whose sum is σ = 3561545138. Its totient is φ = 3561545136.

The previous prime is 3561545131. The next prime is 3561545159. The reversal of 3561545137 is 7315451653.

3561545137 is digitally balanced in base 2, 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., 3552279201 + 9265936 = 59601^2 + 3044^2 .

It is an emirp because it is prime and its reverse (7315451653) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3561545137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3561545137.

It is not a weakly prime, because it can be changed into another prime (3561545131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1780772568 + 1780772569.

It is an arithmetic number, because the mean of its divisors is an integer number (1780772569).

Almost surely, 2^3561545137 is an apocalyptic number.

It is an amenable number.

3561545137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3561545137 is an equidigital number, since it uses as much as digits as its factorization.

3561545137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 40.

The square root of 3561545137 is about 59678.6824335122. The cubic root of 3561545137 is about 1527.1422208353.

The spelling of 3561545137 in words is "three billion, five hundred sixty-one million, five hundred forty-five thousand, one hundred thirty-seven".