5258921 has 8 divisors (see below), whose sum is σ = 5465160. Its totient is φ = 5056128.

The previous prime is 5258917. The next prime is 5258959. The reversal of 5258921 is 1298525.

It can be written as a sum of positive squares in 4 ways, for example, as 440896 + 4818025 = 664^2 + 2195^2 .

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 5258921 - 2² = 5258917 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5258221) 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 7 ways as a sum of consecutive naturals, for example, 2495 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (683145).

Almost surely, 2^5258921 is an apocalyptic number.

It is an amenable number.

5258921 is a deficient number, since it is larger than the sum of its proper divisors (206239).

5258921 is a wasteful number, since it uses less digits than its factorization.

5258921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723.

The product of its digits is 7200, while the sum is 32.

The square root of 5258921 is about 2293.2337429926. The cubic root of 5258921 is about 173.8997198190.

The spelling of 5258921 in words is "five million, two hundred fifty-eight thousand, nine hundred twenty-one".