501054744725 has 6 divisors (see below), whose sum is σ = 621307883490. Its totient is φ = 400843795760.

The previous prime is 501054744691. The next prime is 501054744727. The reversal of 501054744725 is 527447450105.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 100945362961 + 400109381764 = 317719^2 + 632542^2 .

It is not a de Polignac number, because 501054744725 - 2²⁸ = 500786309269 is a prime.

It is a super-2 number, since 2×501054744725² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501054744727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10021094870 + ... + 10021094919.

It is an arithmetic number, because the mean of its divisors is an integer number (103551313915).

Almost surely, 2^501054744725 is an apocalyptic number.

It is an amenable number.

501054744725 is a deficient number, since it is larger than the sum of its proper divisors (120253138765).

501054744725 is a wasteful number, since it uses less digits than its factorization.

501054744725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20042189799 (or 20042189794 counting only the distinct ones).

The product of its (nonzero) digits is 784000, while the sum is 44.

The spelling of 501054744725 in words is "five hundred one billion, fifty-four million, seven hundred forty-four thousand, seven hundred twenty-five".