2025807851 has 2 divisors, whose sum is σ = 2025807852. Its totient is φ = 2025807850.

The previous prime is 2025807793. The next prime is 2025807877. The reversal of 2025807851 is 1587085202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2025807851 - 2¹⁸ = 2025545707 is a prime.

It is not a weakly prime, because it can be changed into another prime (2025807881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1012903925 + 1012903926.

It is an arithmetic number, because the mean of its divisors is an integer number (1012903926).

Almost surely, 2^2025807851 is an apocalyptic number.

2025807851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2025807851 is an equidigital number, since it uses as much as digits as its factorization.

2025807851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 2025807851 is about 45008.9752271700. The cubic root of 2025807851 is about 1265.3172145783.

The spelling of 2025807851 in words is "two billion, twenty-five million, eight hundred seven thousand, eight hundred fifty-one".