253385503 has 8 divisors (see below), whose sum is σ = 302174208. Its totient is φ = 207744504.

The previous prime is 253385497. The next prime is 253385513. The reversal of 253385503 is 305583352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253385503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253385513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786751 + ... + 787072.

It is an arithmetic number, because the mean of its divisors is an integer number (37771776).

Almost surely, 2^253385503 is an apocalyptic number.

253385503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

253385503 is a deficient number, since it is larger than the sum of its proper divisors (48788705).

253385503 is a wasteful number, since it uses less digits than its factorization.

253385503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573853.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 253385503 is about 15918.0872908776. The cubic root of 253385503 is about 632.7914287630.

The spelling of 253385503 in words is "two hundred fifty-three million, three hundred eighty-five thousand, five hundred three".