514400540161 has 2 divisors, whose sum is σ = 514400540162. Its totient is φ = 514400540160.

The previous prime is 514400540149. The next prime is 514400540177. The reversal of 514400540161 is 161045004415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503816040000 + 10584500161 = 709800^2 + 102881^2 .

It is a cyclic number.

It is not a de Polignac number, because 514400540161 - 2⁹ = 514400539649 is a prime.

It is not a weakly prime, because it can be changed into another prime (514400540261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257200270080 + 257200270081.

It is an arithmetic number, because the mean of its divisors is an integer number (257200270081).

Almost surely, 2^514400540161 is an apocalyptic number.

It is an amenable number.

514400540161 is a deficient number, since it is larger than the sum of its proper divisors (1).

514400540161 is an equidigital number, since it uses as much as digits as its factorization.

514400540161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 514400540161 its reverse (161045004415), we get a palindrome (675445544576).

The spelling of 514400540161 in words is "five hundred fourteen billion, four hundred million, five hundred forty thousand, one hundred sixty-one".