5451401 has 4 divisors (see below), whose sum is σ = 5584404. Its totient is φ = 5318400.

The previous prime is 5451371. The next prime is 5451431. The reversal of 5451401 is 1041545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1041545 = 5 ⋅208309.

It is an interprime number because it is at equal distance from previous prime (5451371) and next prime (5451431).

It can be written as a sum of positive squares in 2 ways, for example, as 1207801 + 4243600 = 1099^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451401 - 2¹⁰ = 5450377 is a prime.

It is an Ulam number.

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 (5451431) 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 3 ways as a sum of consecutive naturals, for example, 66440 + ... + 66521.

It is an arithmetic number, because the mean of its divisors is an integer number (1396101).

Almost surely, 2^5451401 is an apocalyptic number.

It is an amenable number.

5451401 is a deficient number, since it is larger than the sum of its proper divisors (133003).

5451401 is a wasteful number, since it uses less digits than its factorization.

5451401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133002.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5451401 is about 2334.8235479368. The cubic root of 5451401 is about 175.9959645252.

Adding to 5451401 its reverse (1041545), we get a palindrome (6492946).

The spelling of 5451401 in words is "five million, four hundred fifty-one thousand, four hundred one".