5255005300621 has 2 divisors, whose sum is σ = 5255005300622. Its totient is φ = 5255005300620.

The previous prime is 5255005300547. The next prime is 5255005300639. The reversal of 5255005300621 is 1260035005525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3196268171721 + 2058737128900 = 1787811^2 + 1434830^2 .

It is a cyclic number.

It is not a de Polignac number, because 5255005300621 - 2¹¹ = 5255005298573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5255005300661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627502650310 + 2627502650311.

It is an arithmetic number, because the mean of its divisors is an integer number (2627502650311).

Almost surely, 2^{5255005300621} is an apocalyptic number.

It is an amenable number.

5255005300621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5255005300621 is an equidigital number, since it uses as much as digits as its factorization.

5255005300621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 5255005300621 in words is "five trillion, two hundred fifty-five billion, five million, three hundred thousand, six hundred twenty-one".