5217537937 has 2 divisors, whose sum is σ = 5217537938. Its totient is φ = 5217537936.

The previous prime is 5217537911. The next prime is 5217538013. The reversal of 5217537937 is 7397357125.

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., 5197833216 + 19704721 = 72096^2 + 4439^2 .

It is a cyclic number.

It is not a de Polignac number, because 5217537937 - 2¹¹ = 5217535889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5217537137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608768968 + 2608768969.

It is an arithmetic number, because the mean of its divisors is an integer number (2608768969).

Almost surely, 2^5217537937 is an apocalyptic number.

It is an amenable number.

5217537937 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217537937 is an equidigital number, since it uses as much as digits as its factorization.

5217537937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1389150, while the sum is 49.

The square root of 5217537937 is about 72232.5268629030. The cubic root of 5217537937 is about 1734.4237234358.

The spelling of 5217537937 in words is "five billion, two hundred seventeen million, five hundred thirty-seven thousand, nine hundred thirty-seven".