5125811 has 2 divisors, whose sum is σ = 5125812. Its totient is φ = 5125810.

The previous prime is 5125807. The next prime is 5125843. The reversal of 5125811 is 1185215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5125811 - 2² = 5125807 is a prime.

It is not a weakly prime, because it can be changed into another prime (5125871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562905 + 2562906.

It is an arithmetic number, because the mean of its divisors is an integer number (2562906).

Almost surely, 2^5125811 is an apocalyptic number.

5125811 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125811 is an equidigital number, since it uses as much as digits as its factorization.

5125811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400, while the sum is 23.

The square root of 5125811 is about 2264.0253973840. The cubic root of 5125811 is about 172.4199558620.

The spelling of 5125811 in words is "five million, one hundred twenty-five thousand, eight hundred eleven".