5239421 has 24 divisors (see below), whose sum is σ = 6320160. Its totient is φ = 4324320.

The previous prime is 5239411. The next prime is 5239427. The reversal of 5239421 is 1249325.

5239421 = 9² + 10² + ... + 250².

5239421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5239421 - 2⁶ = 5239357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5239427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98831 + ... + 98883.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

Almost surely, 2^5239421 is an apocalyptic number.

It is an amenable number.

5239421 is a deficient number, since it is larger than the sum of its proper divisors (1080739).

5239421 is a wasteful number, since it uses less digits than its factorization.

5239421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 126 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 5239421 is about 2288.9781562959. The cubic root of 5239421 is about 173.6845144244.

The spelling of 5239421 in words is "five million, two hundred thirty-nine thousand, four hundred twenty-one".