4521342 has 32 divisors (see below), whose sum is σ = 10467072. Its totient is φ = 1275264.

The previous prime is 4521331. The next prime is 4521343. The reversal of 4521342 is 2431254.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2838 + ... + 4134.

It is an arithmetic number, because the mean of its divisors is an integer number (327096).

Almost surely, 2^4521342 is an apocalyptic number.

4521342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4521342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5233536).

4521342 is an abundant number, since it is smaller than the sum of its proper divisors (5945730).

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

4521342 is a wasteful number, since it uses less digits than its factorization.

4521342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392.

The product of its digits is 960, while the sum is 21.

The square root of 4521342 is about 2126.3447509753. The cubic root of 4521342 is about 165.3569499230.

Adding to 4521342 its reverse (2431254), we get a palindrome (6952596).

The spelling of 4521342 in words is "four million, five hundred twenty-one thousand, three hundred forty-two".