5125521 has 4 divisors (see below), whose sum is σ = 6834032. Its totient is φ = 3417012.

The previous prime is 5125513. The next prime is 5125529. The reversal of 5125521 is 1255215.

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 an interprime number because it is at equal distance from previous prime (5125513) and next prime (5125529).

It is not a de Polignac number, because 5125521 - 2³ = 5125513 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125529) 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, 854251 + ... + 854256.

It is an arithmetic number, because the mean of its divisors is an integer number (1708508).

Almost surely, 2^5125521 is an apocalyptic number.

It is an amenable number.

5125521 is a deficient number, since it is larger than the sum of its proper divisors (1708511).

5125521 is a wasteful number, since it uses less digits than its factorization.

5125521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708510.

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

The square root of 5125521 is about 2263.9613512602. The cubic root of 5125521 is about 172.4167041665.

The spelling of 5125521 in words is "five million, one hundred twenty-five thousand, five hundred twenty-one".