5131553 has 8 divisors (see below), whose sum is σ = 6119808. Its totient is φ = 4207104.

The previous prime is 5131543. The next prime is 5131571. The reversal of 5131553 is 3551315.

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

It is a cyclic number.

It is not a de Polignac number, because 5131553 - 2¹⁰ = 5130529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5131543) 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, 15776 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (764976).

Almost surely, 2^5131553 is an apocalyptic number.

It is an amenable number.

5131553 is a deficient number, since it is larger than the sum of its proper divisors (988255).

5131553 is a wasteful number, since it uses less digits than its factorization.

5131553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31903.

The product of its digits is 1125, while the sum is 23.

The square root of 5131553 is about 2265.2931377639. The cubic root of 5131553 is about 172.4843141937.

Adding to 5131553 its reverse (3551315), we get a palindrome (8682868).

The spelling of 5131553 in words is "five million, one hundred thirty-one thousand, five hundred fifty-three".