425503503 has 16 divisors (see below), whose sum is σ = 631104000. Its totient is φ = 283341240.

The previous prime is 425503493. The next prime is 425503511. The reversal of 425503503 is 305305524.

It is not a de Polignac number, because 425503503 - 2⁶ = 425503439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425503543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15948 + ... + 33246.

It is an arithmetic number, because the mean of its divisors is an integer number (39444000).

Almost surely, 2^425503503 is an apocalyptic number.

425503503 is a deficient number, since it is larger than the sum of its proper divisors (205600497).

425503503 is a wasteful number, since it uses less digits than its factorization.

425503503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18219 (or 18213 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 425503503 is about 20627.7362548584. The cubic root of 425503503 is about 752.1440886707.

The spelling of 425503503 in words is "four hundred twenty-five million, five hundred three thousand, five hundred three".