5140561 has 2 divisors, whose sum is σ = 5140562. Its totient is φ = 5140560.

The previous prime is 5140547. The next prime is 5140573. The reversal of 5140561 is 1650415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4330561 + 810000 = 2081^2 + 900^2 .

It is a cyclic number.

It is not a de Polignac number, because 5140561 - 2⁹ = 5140049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5140501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2570280 + 2570281.

It is an arithmetic number, because the mean of its divisors is an integer number (2570281).

Almost surely, 2^5140561 is an apocalyptic number.

It is an amenable number.

5140561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5140561 is an equidigital number, since it uses as much as digits as its factorization.

5140561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5140561 is about 2267.2805296213. The cubic root of 5140561 is about 172.5851823218.

Adding to 5140561 its reverse (1650415), we get a palindrome (6790976).

The spelling of 5140561 in words is "five million, one hundred forty thousand, five hundred sixty-one".