5270421 has 16 divisors (see below), whose sum is σ = 7684544. Its totient is φ = 3193344.

The previous prime is 5270413. The next prime is 5270423. The reversal of 5270421 is 1240725.

It is not a de Polignac number, because 5270421 - 2³ = 5270413 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 (5270423) 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 15 ways as a sum of consecutive naturals, for example, 1605 + ... + 3621.

It is an arithmetic number, because the mean of its divisors is an integer number (480284).

Almost surely, 2^5270421 is an apocalyptic number.

It is an amenable number.

5270421 is a deficient number, since it is larger than the sum of its proper divisors (2414123).

5270421 is a wasteful number, since it uses less digits than its factorization.

5270421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 5270421 is about 2295.7397500588. The cubic root of 5270421 is about 174.0263865387.

It can be divided in two parts, 52704 and 21, that added together give a palindrome (52725).

The spelling of 5270421 in words is "five million, two hundred seventy thousand, four hundred twenty-one".