5421450 has 48 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 1413120.

The previous prime is 5421443. The next prime is 5421457. The reversal of 5421450 is 541245.

It is an interprime number because it is at equal distance from previous prime (5421443) and next prime (5421457).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421457) 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 23 ways as a sum of consecutive naturals, for example, 6666 + ... + 7434.

It is an arithmetic number, because the mean of its divisors is an integer number (286440).

Almost surely, 2^5421450 is an apocalyptic number.

5421450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6874560).

5421450 is an abundant number, since it is smaller than the sum of its proper divisors (8327670).

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

5421450 is a wasteful number, since it uses less digits than its factorization.

5421450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 5421450 is about 2328.4007387046. The cubic root of 5421450 is about 175.6730543561.

Adding to 5421450 its reverse (541245), we get a palindrome (5962695).

The spelling of 5421450 in words is "five million, four hundred twenty-one thousand, four hundred fifty".