5451397 has 6 divisors (see below), whose sum is σ = 6341478. Its totient is φ = 4672584.

The previous prime is 5451371. The next prime is 5451431. The reversal of 5451397 is 7931545.

It can be written as a sum of positive squares in only one way, i.e., 5080516 + 370881 = 2254^2 + 609^2 .

It is not a de Polignac number, because 5451397 - 2⁷ = 5451269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451307) 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 5 ways as a sum of consecutive naturals, for example, 55578 + ... + 55675.

It is an arithmetic number, because the mean of its divisors is an integer number (1056913).

Almost surely, 2^5451397 is an apocalyptic number.

It is an amenable number.

5451397 is a deficient number, since it is larger than the sum of its proper divisors (890081).

5451397 is a wasteful number, since it uses less digits than its factorization.

5451397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111267 (or 111260 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 5451397 is about 2334.8226913408. The cubic root of 5451397 is about 175.9959214792.

The spelling of 5451397 in words is "five million, four hundred fifty-one thousand, three hundred ninety-seven".