5451472 has 20 divisors (see below), whose sum is σ = 11375140. Its totient is φ = 2515968.

The previous prime is 5451431. The next prime is 5451473. The reversal of 5451472 is 2741545.

It can be written as a sum of positive squares in 2 ways, for example, as 1354896 + 4096576 = 1164^2 + 2024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5451472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451473) 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, 12897 + ... + 13312.

It is an arithmetic number, because the mean of its divisors is an integer number (568757).

Almost surely, 2^5451472 is an apocalyptic number.

5451472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5451472 is an abundant number, since it is smaller than the sum of its proper divisors (5923668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5451472 is a wasteful number, since it uses less digits than its factorization.

5451472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26230 (or 26224 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 5451472 is about 2334.8387524624. The cubic root of 5451472 is about 175.9967285893.

The spelling of 5451472 in words is "five million, four hundred fifty-one thousand, four hundred seventy-two".