5401 has 4 divisors (see below), whose sum is σ = 5904.
Its totient is φ = 4900.
The previous prime is 5399. The next prime is 5407. The reversal of 5401 is 1045.
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 5401 - 21 = 5399 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5407) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235 + ... + 256.
It is an arithmetic number, because the mean of its divisors is an integer number (1476).
25401 is an apocalyptic number.
It is an amenable number.
5401 is a deficient number, since it is larger than the sum of its proper divisors (503).
5401 is a wasteful number, since it uses less digits than its factorization.
5401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 502.
The product of its (nonzero) digits is 20, while the sum is 10.
The square root of 5401 is about 73.4914961067.
The cubic root of 5401 is about 17.5451893320.
Adding to 5401 its reverse (1045), we get a palindrome (6446).
Subtracting from 5401 its reverse (1045), we obtain a square (4356 = 662).
It can be divided in two parts, 5 and 401, that added together give a triangular number (406 = T28).
The spelling of 5401 in words is "five thousand, four hundred one".