5421345 has 16 divisors (see below), whose sum is σ = 8794752. Its totient is φ = 2851200.

The previous prime is 5421343. The next prime is 5421371. The reversal of 5421345 is 5431245.

It is not a de Polignac number, because 5421345 - 2¹ = 5421343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5421341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1381 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (549672).

Almost surely, 2^5421345 is an apocalyptic number.

It is an amenable number.

5421345 is a deficient number, since it is larger than the sum of its proper divisors (3373407).

5421345 is a wasteful number, since it uses less digits than its factorization.

5421345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032.

The product of its digits is 2400, while the sum is 24.

The square root of 5421345 is about 2328.3781909303. The cubic root of 5421345 is about 175.6719202321.

The spelling of 5421345 in words is "five million, four hundred twenty-one thousand, three hundred forty-five".