5255450393 has 2 divisors, whose sum is σ = 5255450394. Its totient is φ = 5255450392.

The previous prime is 5255450359. The next prime is 5255450419. The reversal of 5255450393 is 3930545525.

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., 5027802649 + 227647744 = 70907^2 + 15088^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255450393 - 2¹⁸ = 5255188249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5255450393.

It is not a weakly prime, because it can be changed into another prime (5255450593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627725196 + 2627725197.

It is an arithmetic number, because the mean of its divisors is an integer number (2627725197).

Almost surely, 2^5255450393 is an apocalyptic number.

It is an amenable number.

5255450393 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255450393 is an equidigital number, since it uses as much as digits as its factorization.

5255450393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405000, while the sum is 41.

The square root of 5255450393 is about 72494.4852592251. The cubic root of 5255450393 is about 1738.6145655791.

The spelling of 5255450393 in words is "five billion, two hundred fifty-five million, four hundred fifty thousand, three hundred ninety-three".