5091761 has 2 divisors, whose sum is σ = 5091762. Its totient is φ = 5091760.

The previous prime is 5091743. The next prime is 5091767. The reversal of 5091761 is 1671905.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 1308736 = 1945^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 5091761 - 2¹⁰ = 5090737 is a prime.

It is a super-2 number, since 2×5091761² = 51852060162242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5091767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545880 + 2545881.

It is an arithmetic number, because the mean of its divisors is an integer number (2545881).

Almost surely, 2^5091761 is an apocalyptic number.

It is an amenable number.

5091761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091761 is an equidigital number, since it uses as much as digits as its factorization.

5091761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 5091761 is about 2256.4930755489. The cubic root of 5091761 is about 172.0373206378.

The spelling of 5091761 in words is "five million, ninety-one thousand, seven hundred sixty-one".