505004153 has 2 divisors, whose sum is σ = 505004154. Its totient is φ = 505004152.

The previous prime is 505004147. The next prime is 505004183. The reversal of 505004153 is 351400505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349951849 + 155052304 = 18707^2 + 12452^2 .

It is a cyclic number.

It is not a de Polignac number, because 505004153 - 2¹⁸ = 504742009 is a prime.

It is not a weakly prime, because it can be changed into another prime (505004183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252502076 + 252502077.

It is an arithmetic number, because the mean of its divisors is an integer number (252502077).

Almost surely, 2^505004153 is an apocalyptic number.

It is an amenable number.

505004153 is a deficient number, since it is larger than the sum of its proper divisors (1).

505004153 is an equidigital number, since it uses as much as digits as its factorization.

505004153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 505004153 is about 22472.2974570915. The cubic root of 505004153 is about 796.3396071362.

Adding to 505004153 its reverse (351400505), we get a palindrome (856404658).

The spelling of 505004153 in words is "five hundred five million, four thousand, one hundred fifty-three".