5140532261 has 2 divisors, whose sum is σ = 5140532262. Its totient is φ = 5140532260.

The previous prime is 5140532237. The next prime is 5140532297. The reversal of 5140532261 is 1622350415.

5140532261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3660976036 + 1479556225 = 60506^2 + 38465^2 .

It is a cyclic number.

It is not a de Polignac number, because 5140532261 - 2⁶ = 5140532197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5140532161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2570266130 + 2570266131.

It is an arithmetic number, because the mean of its divisors is an integer number (2570266131).

Almost surely, 2^5140532261 is an apocalyptic number.

It is an amenable number.

5140532261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5140532261 is an equidigital number, since it uses as much as digits as its factorization.

5140532261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 5140532261 is about 71697.5052634330. The cubic root of 5140532261 is about 1725.8486070093.

Adding to 5140532261 its reverse (1622350415), we get a palindrome (6762882676).

The spelling of 5140532261 in words is "five billion, one hundred forty million, five hundred thirty-two thousand, two hundred sixty-one".