425533903 has 2 divisors, whose sum is σ = 425533904. Its totient is φ = 425533902.

The previous prime is 425533853. The next prime is 425533921. The reversal of 425533903 is 309335524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425533903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425533403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212766951 + 212766952.

It is an arithmetic number, because the mean of its divisors is an integer number (212766952).

Almost surely, 2^425533903 is an apocalyptic number.

425533903 is a deficient number, since it is larger than the sum of its proper divisors (1).

425533903 is an equidigital number, since it uses as much as digits as its factorization.

425533903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 425533903 is about 20628.4731136359. The cubic root of 425533903 is about 752.1620004980.

The spelling of 425533903 in words is "four hundred twenty-five million, five hundred thirty-three thousand, nine hundred three".