425395903 has 2 divisors, whose sum is σ = 425395904. Its totient is φ = 425395902.

The previous prime is 425395877. The next prime is 425395963. The reversal of 425395903 is 309593524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425395903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425395963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212697951 + 212697952.

It is an arithmetic number, because the mean of its divisors is an integer number (212697952).

Almost surely, 2^425395903 is an apocalyptic number.

425395903 is a deficient number, since it is larger than the sum of its proper divisors (1).

425395903 is an equidigital number, since it uses as much as digits as its factorization.

425395903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 425395903 is about 20625.1279511183. The cubic root of 425395903 is about 752.0806833747.

The spelling of 425395903 in words is "four hundred twenty-five million, three hundred ninety-five thousand, nine hundred three".