503344420225 has 12 divisors (see below), whose sum is σ = 625751584380. Its totient is φ = 401640372800.

The previous prime is 503344420217. The next prime is 503344420261. The reversal of 503344420225 is 522024443305.

It can be written as a sum of positive squares in 6 ways, for example, as 131577405696 + 371767014529 = 362736^2 + 609727^2 .

It is not a de Polignac number, because 503344420225 - 2³ = 503344420217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25869166 + ... + 25888615.

It is an arithmetic number, because the mean of its divisors is an integer number (52145965365).

Almost surely, 2^503344420225 is an apocalyptic number.

It is an amenable number.

503344420225 is a deficient number, since it is larger than the sum of its proper divisors (122407164155).

503344420225 is a wasteful number, since it uses less digits than its factorization.

503344420225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51758180 (or 51758175 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

The spelling of 503344420225 in words is "five hundred three billion, three hundred forty-four million, four hundred twenty thousand, two hundred twenty-five".