5165269261 has 2 divisors, whose sum is σ = 5165269262. Its totient is φ = 5165269260.

The previous prime is 5165269243. The next prime is 5165269271. The reversal of 5165269261 is 1629625615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3691170025 + 1474099236 = 60755^2 + 38394^2 .

It is a cyclic number.

It is not a de Polignac number, because 5165269261 - 2⁷ = 5165269133 is a prime.

It is a super-2 number, since 2×5165269261² = 53360013077262972242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165269271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582634630 + 2582634631.

It is an arithmetic number, because the mean of its divisors is an integer number (2582634631).

Almost surely, 2^5165269261 is an apocalyptic number.

It is an amenable number.

5165269261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165269261 is an equidigital number, since it uses as much as digits as its factorization.

5165269261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The square root of 5165269261 is about 71869.8077150621. The cubic root of 5165269261 is about 1728.6125243589.

The spelling of 5165269261 in words is "five billion, one hundred sixty-five million, two hundred sixty-nine thousand, two hundred sixty-one".