502540540541 has 8 divisors (see below), whose sum is σ = 541591695960. Its totient is φ = 463545698112.

The previous prime is 502540540531. The next prime is 502540540543. The reversal of 502540540541 is 145045045205.

It can be written as a sum of positive squares in 4 ways, for example, as 248232136441 + 254308404100 = 498229^2 + 504290^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 502540540541 - 2¹⁸ = 502540278397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502540540543) 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 7 ways as a sum of consecutive naturals, for example, 14059706 + ... + 14095403.

It is an arithmetic number, because the mean of its divisors is an integer number (67698961995).

Almost surely, 2^502540540541 is an apocalyptic number.

It is an amenable number.

502540540541 is a deficient number, since it is larger than the sum of its proper divisors (39051155419).

502540540541 is a wasteful number, since it uses less digits than its factorization.

502540540541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28156495.

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 502540540541 its reverse (145045045205), we get a palindrome (647585585746).

The spelling of 502540540541 in words is "five hundred two billion, five hundred forty million, five hundred forty thousand, five hundred forty-one".