5451290 has 32 divisors (see below), whose sum is σ = 11128320. Its totient is φ = 1905984.

The previous prime is 5451289. The next prime is 5451293. The reversal of 5451290 is 921545.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (5451293) 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 15 ways as a sum of consecutive naturals, for example, 1367 + ... + 3573.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

Almost surely, 2^5451290 is an apocalyptic number.

5451290 is an abundant number, since it is smaller than the sum of its proper divisors (5677030).

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

5451290 is a wasteful number, since it uses less digits than its factorization.

5451290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5451290 is about 2334.7997772828. The cubic root of 5451290 is about 175.9947699892.

The spelling of 5451290 in words is "five million, four hundred fifty-one thousand, two hundred ninety".