5203553 has 4 divisors (see below), whose sum is σ = 5234880. Its totient is φ = 5172228.

The previous prime is 5203531. The next prime is 5203577. The reversal of 5203553 is 3553025.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5203553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5203453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15413 + ... + 15746.

It is an arithmetic number, because the mean of its divisors is an integer number (1308720).

Almost surely, 2^5203553 is an apocalyptic number.

It is an amenable number.

5203553 is a deficient number, since it is larger than the sum of its proper divisors (31327).

5203553 is a wasteful number, since it uses less digits than its factorization.

5203553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31326.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 5203553 is about 2281.1297639547. The cubic root of 5203553 is about 173.2872703865.

Adding to 5203553 its reverse (3553025), we get a palindrome (8756578).

The spelling of 5203553 in words is "five million, two hundred three thousand, five hundred fifty-three".