5451641 has 8 divisors (see below), whose sum is σ = 5915784. Its totient is φ = 4993920.

The previous prime is 5451619. The next prime is 5451643. The reversal of 5451641 is 1461545.

It can be written as a sum of positive squares in 4 ways, for example, as 1371241 + 4080400 = 1171^2 + 2020^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5451641 - 2¹⁰ = 5450617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5451641.

It is not an unprimeable number, because it can be changed into a prime (5451643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (739473).

Almost surely, 2^5451641 is an apocalyptic number.

It is an amenable number.

5451641 is a deficient number, since it is larger than the sum of its proper divisors (464143).

5451641 is a wasteful number, since it uses less digits than its factorization.

5451641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211.

The product of its digits is 2400, while the sum is 26.

The square root of 5451641 is about 2334.8749431179. The cubic root of 5451641 is about 175.9985472504.

The spelling of 5451641 in words is "five million, four hundred fifty-one thousand, six hundred forty-one".