5437512161 has 2 divisors, whose sum is σ = 5437512162. Its totient is φ = 5437512160.

The previous prime is 5437512097. The next prime is 5437512163. The reversal of 5437512161 is 1612157345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5009808400 + 427703761 = 70780^2 + 20681^2 .

It is a cyclic number.

It is not a de Polignac number, because 5437512161 - 2⁶ = 5437512097 is a prime.

It is a Sophie Germain prime.

Together with 5437512163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5437512163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718756080 + 2718756081.

It is an arithmetic number, because the mean of its divisors is an integer number (2718756081).

Almost surely, 2^5437512161 is an apocalyptic number.

It is an amenable number.

5437512161 is a deficient number, since it is larger than the sum of its proper divisors (1).

5437512161 is an equidigital number, since it uses as much as digits as its factorization.

5437512161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 35.

The square root of 5437512161 is about 73739.4884780197. The cubic root of 5437512161 is about 1758.4637249355.

The spelling of 5437512161 in words is "five billion, four hundred thirty-seven million, five hundred twelve thousand, one hundred sixty-one".