503124205351253 has 2 divisors, whose sum is σ = 503124205351254. Its totient is φ = 503124205351252.

The previous prime is 503124205351171. The next prime is 503124205351307. The reversal of 503124205351253 is 352153502421305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 502937047882564 + 187157468689 = 22426258^2 + 432617^2 .

It is a cyclic number.

It is not a de Polignac number, because 503124205351253 - 2¹⁶ = 503124205285717 is a prime.

It is a super-2 number, since 2×503124205351253² (a number of 30 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 503124205351253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503124205351853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251562102675626 + 251562102675627.

It is an arithmetic number, because the mean of its divisors is an integer number (251562102675627).

Almost surely, 2^{503124205351253} is an apocalyptic number.

It is an amenable number.

503124205351253 is a deficient number, since it is larger than the sum of its proper divisors (1).

503124205351253 is an equidigital number, since it uses as much as digits as its factorization.

503124205351253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 503124205351253 its reverse (352153502421305), we get a palindrome (855277707772558).

The spelling of 503124205351253 in words is "five hundred three trillion, one hundred twenty-four billion, two hundred five million, three hundred fifty-one thousand, two hundred fifty-three".