501125093977 has 2 divisors, whose sum is σ = 501125093978. Its totient is φ = 501125093976.

The previous prime is 501125093957. The next prime is 501125093981. The reversal of 501125093977 is 779390521105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349039913616 + 152085180361 = 590796^2 + 389981^2 .

It is a cyclic number.

It is not a de Polignac number, because 501125093977 - 2²⁷ = 500990876249 is a prime.

It is a super-2 number, since 2×501125093977² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501125093977.

It is not a weakly prime, because it can be changed into another prime (501125093957) 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, 250562546988 + 250562546989.

It is an arithmetic number, because the mean of its divisors is an integer number (250562546989).

Almost surely, 2^501125093977 is an apocalyptic number.

It is an amenable number.

501125093977 is a deficient number, since it is larger than the sum of its proper divisors (1).

501125093977 is an equidigital number, since it uses as much as digits as its factorization.

501125093977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 595350, while the sum is 49.

The spelling of 501125093977 in words is "five hundred one billion, one hundred twenty-five million, ninety-three thousand, nine hundred seventy-seven".