505200451601 has 2 divisors, whose sum is σ = 505200451602. Its totient is φ = 505200451600.

The previous prime is 505200451577. The next prime is 505200451627. The reversal of 505200451601 is 106154002505.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486856458001 + 18343993600 = 697751^2 + 135440^2 .

It is a cyclic number.

It is not a de Polignac number, because 505200451601 - 2¹⁰ = 505200450577 is a prime.

It is not a weakly prime, because it can be changed into another prime (505200451501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252600225800 + 252600225801.

It is an arithmetic number, because the mean of its divisors is an integer number (252600225801).

Almost surely, 2^505200451601 is an apocalyptic number.

It is an amenable number.

505200451601 is a deficient number, since it is larger than the sum of its proper divisors (1).

505200451601 is an equidigital number, since it uses as much as digits as its factorization.

505200451601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 505200451601 in words is "five hundred five billion, two hundred million, four hundred fifty-one thousand, six hundred one".