521234114252443 has 2 divisors, whose sum is σ = 521234114252444. Its totient is φ = 521234114252442.

The previous prime is 521234114252419. The next prime is 521234114252447. The reversal of 521234114252443 is 344252411432125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 521234114252443 - 2¹³ = 521234114244251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 521234114252443.

It is not a weakly prime, because it can be changed into another prime (521234114252447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260617057126221 + 260617057126222.

It is an arithmetic number, because the mean of its divisors is an integer number (260617057126222).

Almost surely, 2^{521234114252443} is an apocalyptic number.

521234114252443 is a deficient number, since it is larger than the sum of its proper divisors (1).

521234114252443 is an equidigital number, since it uses as much as digits as its factorization.

521234114252443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 921600, while the sum is 43.

Adding to 521234114252443 its reverse (344252411432125), we get a palindrome (865486525684568).

The spelling of 521234114252443 in words is "five hundred twenty-one trillion, two hundred thirty-four billion, one hundred fourteen million, two hundred fifty-two thousand, four hundred forty-three".