5260421 has 4 divisors (see below), whose sum is σ = 5430144. Its totient is φ = 5090700.

The previous prime is 5260417. The next prime is 5260433. The reversal of 5260421 is 1240625.

It is a happy number.

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 5260421 - 2² = 5260417 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 5260393 and 5260402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5260481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84815 + ... + 84876.

It is an arithmetic number, because the mean of its divisors is an integer number (1357536).

Almost surely, 2^5260421 is an apocalyptic number.

It is an amenable number.

5260421 is a deficient number, since it is larger than the sum of its proper divisors (169723).

5260421 is a wasteful number, since it uses less digits than its factorization.

5260421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169722.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 5260421 is about 2293.5607687611. The cubic root of 5260421 is about 173.9162520305.

It can be divided in two parts, 52604 and 21, that added together give a palindrome (52625).

The spelling of 5260421 in words is "five million, two hundred sixty thousand, four hundred twenty-one".