855650203 has 2 divisors, whose sum is σ = 855650204. Its totient is φ = 855650202.

The previous prime is 855650141. The next prime is 855650227. The reversal of 855650203 is 302056558.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-855650203 is a prime.

It is not a weakly prime, because it can be changed into another prime (855650303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427825101 + 427825102.

It is an arithmetic number, because the mean of its divisors is an integer number (427825102).

Almost surely, 2^855650203 is an apocalyptic number.

855650203 is a deficient number, since it is larger than the sum of its proper divisors (1).

855650203 is an equidigital number, since it uses as much as digits as its factorization.

855650203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 855650203 is about 29251.4991581628. The cubic root of 855650203 is about 949.3625282008.

The spelling of 855650203 in words is "eight hundred fifty-five million, six hundred fifty thousand, two hundred three".