505251401363 has 2 divisors, whose sum is σ = 505251401364. Its totient is φ = 505251401362.

The previous prime is 505251401311. The next prime is 505251401411. The reversal of 505251401363 is 363104152505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505251401363 - 2⁶ = 505251401299 is a prime.

It is not a weakly prime, because it can be changed into another prime (505251301363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252625700681 + 252625700682.

It is an arithmetic number, because the mean of its divisors is an integer number (252625700682).

Almost surely, 2^505251401363 is an apocalyptic number.

505251401363 is a deficient number, since it is larger than the sum of its proper divisors (1).

505251401363 is an equidigital number, since it uses as much as digits as its factorization.

505251401363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 505251401363 its reverse (363104152505), we get a palindrome (868355553868).

The spelling of 505251401363 in words is "five hundred five billion, two hundred fifty-one million, four hundred one thousand, three hundred sixty-three".