5263432121 has 2 divisors, whose sum is σ = 5263432122.
Its totient is φ = 5263432120.
The previous prime is 5263432091. The next prime is 5263432127. The reversal of 5263432121 is 1212343625.
Adding to 5263432121 its reverse (1212343625), we get a palindrome (6475775746).
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., 5154522025 + 108910096 = 71795^2 + 10436^2
It is a cyclic number.
It is not a de Polignac number, because 5263432121 - 226 = 5196323257 is a prime.
It is not a weakly prime, because it can be changed into another prime (5263432127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631716060 + 2631716061.
It is an arithmetic number, because the mean of its divisors is an integer number (2631716061).
Almost surely, 25263432121 is an apocalyptic number.
It is an amenable number.
5263432121 is a deficient number, since it is larger than the sum of its proper divisors (1).
5263432121 is an equidigital number, since it uses as much as digits as its factorization.
5263432121 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 8640, while the sum is 29.
The square root of 5263432121 is about 72549.5149604737.
The cubic root of 5263432121 is about 1739.4942953914.
The spelling of 5263432121 in words is "five billion, two hundred sixty-three million, four hundred thirty-two thousand, one hundred twenty-one".