500023051601 has 2 divisors, whose sum is σ = 500023051602. Its totient is φ = 500023051600.

The previous prime is 500023051589. The next prime is 500023051631. The reversal of 500023051601 is 106150320005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440927872576 + 59095179025 = 664024^2 + 243095^2 .

It is a cyclic number.

It is not a de Polignac number, because 500023051601 - 2¹⁸ = 500022789457 is a prime.

It is not a weakly prime, because it can be changed into another prime (500023051631) 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, 250011525800 + 250011525801.

It is an arithmetic number, because the mean of its divisors is an integer number (250011525801).

Almost surely, 2^500023051601 is an apocalyptic number.

It is an amenable number.

500023051601 is a deficient number, since it is larger than the sum of its proper divisors (1).

500023051601 is an equidigital number, since it uses as much as digits as its factorization.

500023051601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 500023051601 its reverse (106150320005), we get a palindrome (606173371606).

The spelling of 500023051601 in words is "five hundred billion, twenty-three million, fifty-one thousand, six hundred one".