505103425 has 24 divisors (see below), whose sum is σ = 645806880. Its totient is φ = 391708800.

The previous prime is 505103399. The next prime is 505103449. The reversal of 505103425 is 524301505.

It is not a de Polignac number, because 505103425 - 2⁷ = 505103297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 505103425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105330 + ... + 110020.

It is an arithmetic number, because the mean of its divisors is an integer number (26908620).

Almost surely, 2^505103425 is an apocalyptic number.

It is an amenable number.

505103425 is a deficient number, since it is larger than the sum of its proper divisors (140703455).

505103425 is a wasteful number, since it uses less digits than its factorization.

505103425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833 (or 4828 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 505103425 is about 22474.5061124822. The cubic root of 505103425 is about 796.3917842952.

It can be divided in two parts, 50510 and 3425, that added together give a palindrome (53935).

The spelling of 505103425 in words is "five hundred five million, one hundred three thousand, four hundred twenty-five".