5031340261 has 2 divisors, whose sum is σ = 5031340262. Its totient is φ = 5031340260.

The previous prime is 5031340159. The next prime is 5031340289. The reversal of 5031340261 is 1620431305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5013489636 + 17850625 = 70806^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 5031340261 - 2⁹ = 5031339749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5031340291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515670130 + 2515670131.

It is an arithmetic number, because the mean of its divisors is an integer number (2515670131).

Almost surely, 2^5031340261 is an apocalyptic number.

It is an amenable number.

5031340261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5031340261 is an equidigital number, since it uses as much as digits as its factorization.

5031340261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5031340261 is about 70931.9410491494. The cubic root of 5031340261 is about 1713.5412473548.

Adding to 5031340261 its reverse (1620431305), we get a palindrome (6651771566).

The spelling of 5031340261 in words is "five billion, thirty-one million, three hundred forty thousand, two hundred sixty-one".