505052524981 has 2 divisors, whose sum is σ = 505052524982. Its totient is φ = 505052524980.

The previous prime is 505052524943. The next prime is 505052525069. The reversal of 505052524981 is 189425250505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488264140081 + 16788384900 = 698759^2 + 129570^2 .

It is a cyclic number.

It is not a de Polignac number, because 505052524981 - 2²⁷ = 504918307253 is a prime.

It is a super-2 number, since 2×505052524981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505052524931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252526262490 + 252526262491.

It is an arithmetic number, because the mean of its divisors is an integer number (252526262491).

Almost surely, 2^505052524981 is an apocalyptic number.

It is an amenable number.

505052524981 is a deficient number, since it is larger than the sum of its proper divisors (1).

505052524981 is an equidigital number, since it uses as much as digits as its factorization.

505052524981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 46.

The spelling of 505052524981 in words is "five hundred five billion, fifty-two million, five hundred twenty-four thousand, nine hundred eighty-one".