734522161 has 2 divisors, whose sum is σ = 734522162. Its totient is φ = 734522160.

The previous prime is 734522147. The next prime is 734522203. The reversal of 734522161 is 161225437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 555497761 + 179024400 = 23569^2 + 13380^2 .

It is an emirp because it is prime and its reverse (161225437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 734522161 - 2⁹ = 734521649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (734522101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367261080 + 367261081.

It is an arithmetic number, because the mean of its divisors is an integer number (367261081).

Almost surely, 2^734522161 is an apocalyptic number.

It is an amenable number.

734522161 is a deficient number, since it is larger than the sum of its proper divisors (1).

734522161 is an equidigital number, since it uses as much as digits as its factorization.

734522161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 734522161 is about 27102.0693121392. The cubic root of 734522161 is about 902.2667802315.

Adding to 734522161 its reverse (161225437), we get a palindrome (895747598).

The spelling of 734522161 in words is "seven hundred thirty-four million, five hundred twenty-two thousand, one hundred sixty-one".