5230513261 has 2 divisors, whose sum is σ = 5230513262. Its totient is φ = 5230513260.

The previous prime is 5230513231. The next prime is 5230513279. The reversal of 5230513261 is 1623150325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3319949161 + 1910564100 = 57619^2 + 43710^2 .

It is a cyclic number.

It is not a de Polignac number, because 5230513261 - 2³¹ = 3083029613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5230513231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615256630 + 2615256631.

It is an arithmetic number, because the mean of its divisors is an integer number (2615256631).

Almost surely, 2^5230513261 is an apocalyptic number.

It is an amenable number.

5230513261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5230513261 is an equidigital number, since it uses as much as digits as its factorization.

5230513261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 5230513261 is about 72322.2874430835. The cubic root of 5230513261 is about 1735.8602937339.

Adding to 5230513261 its reverse (1623150325), we get a palindrome (6853663586).

The spelling of 5230513261 in words is "five billion, two hundred thirty million, five hundred thirteen thousand, two hundred sixty-one".