670450903 has 2 divisors, whose sum is σ = 670450904. Its totient is φ = 670450902.

The previous prime is 670450877. The next prime is 670450931. The reversal of 670450903 is 309054076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670450903 - 2⁵ = 670450871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670450933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335225451 + 335225452.

It is an arithmetic number, because the mean of its divisors is an integer number (335225452).

Almost surely, 2^670450903 is an apocalyptic number.

670450903 is a deficient number, since it is larger than the sum of its proper divisors (1).

670450903 is an equidigital number, since it uses as much as digits as its factorization.

670450903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 670450903 is about 25893.0666974771. The cubic root of 670450903 is about 875.2302645140.

The spelling of 670450903 in words is "six hundred seventy million, four hundred fifty thousand, nine hundred three".