501587473273 has 2 divisors, whose sum is σ = 501587473274. Its totient is φ = 501587473272.

The previous prime is 501587473147. The next prime is 501587473337. The reversal of 501587473273 is 372374785105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375343698409 + 126243774864 = 612653^2 + 355308^2 .

It is a cyclic number.

It is not a de Polignac number, because 501587473273 - 2²¹ = 501585376121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501587473273.

It is not a weakly prime, because it can be changed into another prime (501587474273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250793736636 + 250793736637.

It is an arithmetic number, because the mean of its divisors is an integer number (250793736637).

Almost surely, 2^501587473273 is an apocalyptic number.

It is an amenable number.

501587473273 is a deficient number, since it is larger than the sum of its proper divisors (1).

501587473273 is an equidigital number, since it uses as much as digits as its factorization.

501587473273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 501587473273 in words is "five hundred one billion, five hundred eighty-seven million, four hundred seventy-three thousand, two hundred seventy-three".