425001603 has 16 divisors (see below), whose sum is σ = 620605440. Its totient is φ = 257105184.

The previous prime is 425001571. The next prime is 425001631. The reversal of 425001603 is 306100524.

It is a happy number.

It is not a de Polignac number, because 425001603 - 2⁵ = 425001571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425001603.

It is not an unprimeable number, because it can be changed into a prime (425001653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90051 + ... + 94652.

It is an arithmetic number, because the mean of its divisors is an integer number (38787840).

Almost surely, 2^425001603 is an apocalyptic number.

425001603 is a deficient number, since it is larger than the sum of its proper divisors (195603837).

425001603 is a wasteful number, since it uses less digits than its factorization.

425001603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184778.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 425001603 is about 20615.5670065123. The cubic root of 425001603 is about 751.8482433650.

The spelling of 425001603 in words is "four hundred twenty-five million, one thousand, six hundred three".