503256361225 has 6 divisors (see below), whose sum is σ = 624037887950. Its totient is φ = 402605088960.

The previous prime is 503256361219. The next prime is 503256361243. The reversal of 503256361225 is 522163652305.

It can be written as a sum of positive squares in 3 ways, for example, as 1296864144 + 501959497081 = 36012^2 + 708491^2 .

It is not a de Polignac number, because 503256361225 - 2³ = 503256361217 is a prime.

It is a super-2 number, since 2×503256361225² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10065127200 + ... + 10065127249.

Almost surely, 2^503256361225 is an apocalyptic number.

It is an amenable number.

503256361225 is a deficient number, since it is larger than the sum of its proper divisors (120781526725).

503256361225 is a wasteful number, since it uses less digits than its factorization.

503256361225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20130254459 (or 20130254454 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 503256361225 in words is "five hundred three billion, two hundred fifty-six million, three hundred sixty-one thousand, two hundred twenty-five".