503385353 has 2 divisors, whose sum is σ = 503385354. Its totient is φ = 503385352.

The previous prime is 503385341. The next prime is 503385403. The reversal of 503385353 is 353583305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398281849 + 105103504 = 19957^2 + 10252^2 .

It is a cyclic number.

It is not a de Polignac number, because 503385353 - 2⁸ = 503385097 is a prime.

It is a super-2 number, since 2×503385353² = 506793627229869218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (503382353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251692676 + 251692677.

It is an arithmetic number, because the mean of its divisors is an integer number (251692677).

Almost surely, 2^503385353 is an apocalyptic number.

It is an amenable number.

503385353 is a deficient number, since it is larger than the sum of its proper divisors (1).

503385353 is an equidigital number, since it uses as much as digits as its factorization.

503385353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 35.

The square root of 503385353 is about 22436.2508677363. The cubic root of 503385353 is about 795.4878026290.

The spelling of 503385353 in words is "five hundred three million, three hundred eighty-five thousand, three hundred fifty-three".