2542342 has 8 divisors (see below), whose sum is σ = 4160232. Its totient is φ = 1155600.

The previous prime is 2542327. The next prime is 2542363. The reversal of 2542342 is 2432452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 115561 = 2542342 / (2 + 5 + 4 + 2 + 3 + 4 + 2).

It is a d-powerful number, because it can be written as 2¹³ + 5⁹ + 4⁵ + 2¹⁵ + 3⁸ + 4⁷ + 2¹⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57759 + ... + 57802.

It is an arithmetic number, because the mean of its divisors is an integer number (520029).

2^2542342 is an apocalyptic number.

2542342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2542342 is a deficient number, since it is larger than the sum of its proper divisors (1617890).

2542342 is a wasteful number, since it uses less digits than its factorization.

2542342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115574.

The product of its digits is 1920, while the sum is 22.

The square root of 2542342 is about 1594.4723265081. The cubic root of 2542342 is about 136.4828210791.

Adding to 2542342 its reverse (2432452), we get a palindrome (4974794).

The spelling of 2542342 in words is "two million, five hundred forty-two thousand, three hundred forty-two".