1025025811 has 2 divisors, whose sum is σ = 1025025812. Its totient is φ = 1025025810.

The previous prime is 1025025791. The next prime is 1025025817. The reversal of 1025025811 is 1185205201.

1025025811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025025811 - 2¹³ = 1025017619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025025817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512512905 + 512512906.

It is an arithmetic number, because the mean of its divisors is an integer number (512512906).

Almost surely, 2^1025025811 is an apocalyptic number.

1025025811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025025811 is an equidigital number, since it uses as much as digits as its factorization.

1025025811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 1025025811 is about 32016.0242847234. The cubic root of 1025025811 is about 1008.2733007327.

The spelling of 1025025811 in words is "one billion, twenty-five million, twenty-five thousand, eight hundred eleven".