5705421 has 8 divisors (see below), whose sum is σ = 8054784. Its totient is φ = 3579840.

The previous prime is 5705419. The next prime is 5705423. The reversal of 5705421 is 1245075.

5705421 = T₁₉₃ + T₁₉₄ + ... + T₃₄₅.

5705421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5705419) and next prime (5705423).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5705421 - 2¹ = 5705419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5705391 and 5705400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5705423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55885 + ... + 55986.

It is an arithmetic number, because the mean of its divisors is an integer number (1006848).

Almost surely, 2^5705421 is an apocalyptic number.

5705421 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5705421 is a deficient number, since it is larger than the sum of its proper divisors (2349363).

5705421 is a wasteful number, since it uses less digits than its factorization.

5705421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111891.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 5705421 is about 2388.6023109760. The cubic root of 5705421 is about 178.6882101785.

It can be divided in two parts, 57054 and 21, that added together give a palindrome (57075).

The spelling of 5705421 in words is "five million, seven hundred five thousand, four hundred twenty-one".