5258021 has 4 divisors (see below), whose sum is σ = 5347200. Its totient is φ = 5168844.

The previous prime is 5257999. The next prime is 5258023. The reversal of 5258021 is 1208525.

5258021 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5258021 - 2⁶ = 5257957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5258023) 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, 44501 + ... + 44618.

It is an arithmetic number, because the mean of its divisors is an integer number (1336800).

Almost surely, 2^5258021 is an apocalyptic number.

It is an amenable number.

5258021 is a deficient number, since it is larger than the sum of its proper divisors (89179).

5258021 is an equidigital number, since it uses as much as digits as its factorization.

5258021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89178.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5258021 is about 2293.0375051446. The cubic root of 5258021 is about 173.8897989830.

The spelling of 5258021 in words is "five million, two hundred fifty-eight thousand, twenty-one".