1137531617 has 2 divisors, whose sum is σ = 1137531618. Its totient is φ = 1137531616.

The previous prime is 1137531611. The next prime is 1137531673. The reversal of 1137531617 is 7161357311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678029521 + 459502096 = 26039^2 + 21436^2 .

It is a cyclic number.

It is not a de Polignac number, because 1137531617 - 2¹⁰ = 1137530593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1137531611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568765808 + 568765809.

It is an arithmetic number, because the mean of its divisors is an integer number (568765809).

Almost surely, 2^1137531617 is an apocalyptic number.

It is an amenable number.

1137531617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137531617 is an equidigital number, since it uses as much as digits as its factorization.

1137531617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 35.

The square root of 1137531617 is about 33727.3126264160. The cubic root of 1137531617 is about 1043.8894108453.

Adding to 1137531617 its reverse (7161357311), we get a palindrome (8298888928).

The spelling of 1137531617 in words is "one billion, one hundred thirty-seven million, five hundred thirty-one thousand, six hundred seventeen".