5451340 has 12 divisors (see below), whose sum is σ = 11447856. Its totient is φ = 2180528.

The previous prime is 5451323. The next prime is 5451343. The reversal of 5451340 is 431545.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (5451343) 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, 136264 + ... + 136303.

It is an arithmetic number, because the mean of its divisors is an integer number (953988).

Almost surely, 2^5451340 is an apocalyptic number.

It is an amenable number.

5451340 is an abundant number, since it is smaller than the sum of its proper divisors (5996516).

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

5451340 is a wasteful number, since it uses less digits than its factorization.

5451340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272576 (or 272574 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5451340 is about 2334.8104848146. The cubic root of 5451340 is about 175.9953080705.

Adding to 5451340 its reverse (431545), we get a palindrome (5882885).

The spelling of 5451340 in words is "five million, four hundred fifty-one thousand, three hundred forty".