503125266 has 16 divisors (see below), whose sum is σ = 1150000704. Its totient is φ = 143750064.

The previous prime is 503125219. The next prime is 503125279. The reversal of 503125266 is 662521305.

It is a Curzon 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, 5989545 + ... + 5989628.

It is an arithmetic number, because the mean of its divisors is an integer number (71875044).

Almost surely, 2^503125266 is an apocalyptic number.

503125266 is an abundant number, since it is smaller than the sum of its proper divisors (646875438).

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

503125266 is a wasteful number, since it uses less digits than its factorization.

503125266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979185.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 503125266 is about 22430.4539855973. The cubic root of 503125266 is about 795.3507759437.

The spelling of 503125266 in words is "five hundred three million, one hundred twenty-five thousand, two hundred sixty-six".