850025903 has 2 divisors, whose sum is σ = 850025904. Its totient is φ = 850025902.

The previous prime is 850025893. The next prime is 850025923. The reversal of 850025903 is 309520058.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850025903 - 2⁴ = 850025887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 850025903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850025923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425012951 + 425012952.

It is an arithmetic number, because the mean of its divisors is an integer number (425012952).

Almost surely, 2^850025903 is an apocalyptic number.

850025903 is a deficient number, since it is larger than the sum of its proper divisors (1).

850025903 is an equidigital number, since it uses as much as digits as its factorization.

850025903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 850025903 is about 29155.2037036272. The cubic root of 850025903 is about 947.2778594761.

The spelling of 850025903 in words is "eight hundred fifty million, twenty-five thousand, nine hundred three".