503225406 has 16 divisors (see below), whose sum is σ = 1118278800. Its totient is φ = 167741784.

The previous prime is 503225399. The next prime is 503225413. The reversal of 503225406 is 604522305.

It is an interprime number because it is at equal distance from previous prime (503225399) and next prime (503225413).

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

It is a self number, because there is not a number n which added to its sum of digits gives 503225406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4659441 + ... + 4659548.

It is an arithmetic number, because the mean of its divisors is an integer number (69892425).

Almost surely, 2^503225406 is an apocalyptic number.

503225406 is an abundant number, since it is smaller than the sum of its proper divisors (615053394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503225406 is a wasteful number, since it uses less digits than its factorization.

503225406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9319000 (or 9318994 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 503225406 is about 22432.6861075530. The cubic root of 503225406 is about 795.4035402342.

The spelling of 503225406 in words is "five hundred three million, two hundred twenty-five thousand, four hundred six".