5131255 has 4 divisors (see below), whose sum is σ = 6157512. Its totient is φ = 4105000.

The previous prime is 5131253. The next prime is 5131267. The reversal of 5131255 is 5521315.

5131255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5131255 - 2¹ = 5131253 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131253) 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, 513121 + ... + 513130.

It is an arithmetic number, because the mean of its divisors is an integer number (1539378).

Almost surely, 2^5131255 is an apocalyptic number.

5131255 is a deficient number, since it is larger than the sum of its proper divisors (1026257).

5131255 is a wasteful number, since it uses less digits than its factorization.

5131255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026256.

The product of its digits is 750, while the sum is 22.

The square root of 5131255 is about 2265.2273616571. The cubic root of 5131255 is about 172.4809752876.

It can be divided in two parts, 51 and 31255, that multiplied together give a triangular number (1594005 = T₁₇₈₅).

The spelling of 5131255 in words is "five million, one hundred thirty-one thousand, two hundred fifty-five".