5255121 has 4 divisors (see below), whose sum is σ = 7006832. Its totient is φ = 3503412.

The previous prime is 5255113. The next prime is 5255123. The reversal of 5255121 is 1215525.

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 not a de Polignac number, because 5255121 - 2³ = 5255113 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5255123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875851 + ... + 875856.

It is an arithmetic number, because the mean of its divisors is an integer number (1751708).

Almost surely, 2^5255121 is an apocalyptic number.

It is an amenable number.

5255121 is a deficient number, since it is larger than the sum of its proper divisors (1751711).

5255121 is a wasteful number, since it uses less digits than its factorization.

5255121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751710.

The product of its digits is 500, while the sum is 21.

The square root of 5255121 is about 2292.4050689178. The cubic root of 5255121 is about 173.8578241421.

The spelling of 5255121 in words is "five million, two hundred fifty-five thousand, one hundred twenty-one".