503422153 has 4 divisors (see below), whose sum is σ = 542146948. Its totient is φ = 464697360.

The previous prime is 503422147. The next prime is 503422193. The reversal of 503422153 is 351224305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351224305 = 5 ⋅70244861.

It can be written as a sum of positive squares in 2 ways, for example, as 82228624 + 421193529 = 9068^2 + 20523^2 .

It is a cyclic number.

It is not a de Polignac number, because 503422153 - 2⁹ = 503421641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503422103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19362378 + ... + 19362403.

It is an arithmetic number, because the mean of its divisors is an integer number (135536737).

Almost surely, 2^503422153 is an apocalyptic number.

It is an amenable number.

503422153 is a deficient number, since it is larger than the sum of its proper divisors (38724795).

503422153 is a wasteful number, since it uses less digits than its factorization.

503422153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38724794.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 503422153 is about 22437.0709541152. The cubic root of 503422153 is about 795.5071868759.

Adding to 503422153 its reverse (351224305), we get a palindrome (854646458).

The spelling of 503422153 in words is "five hundred three million, four hundred twenty-two thousand, one hundred fifty-three".