5405451 has 4 divisors (see below), whose sum is σ = 7207272. Its totient is φ = 3603632.

The previous prime is 5405447. The next prime is 5405459. The reversal of 5405451 is 1545045.

5405451 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5405451 - 2² = 5405447 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5405459) 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, 900906 + ... + 900911.

It is an arithmetic number, because the mean of its divisors is an integer number (1801818).

Almost surely, 2^5405451 is an apocalyptic number.

5405451 is a deficient number, since it is larger than the sum of its proper divisors (1801821).

5405451 is a wasteful number, since it uses less digits than its factorization.

5405451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801820.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5405451 is about 2324.9625803440. The cubic root of 5405451 is about 175.5000771097.

The spelling of 5405451 in words is "five million, four hundred five thousand, four hundred fifty-one".