253004415503 has 8 divisors (see below), whose sum is σ = 293108834208. Its totient is φ = 213890229504.

The previous prime is 253004415497. The next prime is 253004415553. The reversal of 253004415503 is 305514400352.

It is a happy number.

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

It is not a de Polignac number, because 253004415503 - 2²⁰ = 253003366927 is a prime.

It is a super-2 number, since 2×253004415503² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253004415503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253004415553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247557626 + ... + 247558647.

It is an arithmetic number, because the mean of its divisors is an integer number (36638604276).

Almost surely, 2^253004415503 is an apocalyptic number.

253004415503 is a deficient number, since it is larger than the sum of its proper divisors (40104418705).

253004415503 is an equidigital number, since it uses as much as digits as its factorization.

253004415503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495116353.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 253004415503 its reverse (305514400352), we get a palindrome (558518815855).

The spelling of 253004415503 in words is "two hundred fifty-three billion, four million, four hundred fifteen thousand, five hundred three".