2531342 has 8 divisors (see below), whose sum is σ = 4142232. Its totient is φ = 1150600.

The previous prime is 2531293. The next prime is 2531369. The reversal of 2531342 is 2431352.

It is a happy number.

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

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, 57509 + ... + 57552.

It is an arithmetic number, because the mean of its divisors is an integer number (517779).

2^2531342 is an apocalyptic number.

2531342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2531342 is a deficient number, since it is larger than the sum of its proper divisors (1610890).

2531342 is a wasteful number, since it uses less digits than its factorization.

2531342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115074.

The product of its digits is 720, while the sum is 20.

The square root of 2531342 is about 1591.0191702176. The cubic root of 2531342 is about 136.2856955545.

Adding to 2531342 its reverse (2431352), we get a palindrome (4962694).

The spelling of 2531342 in words is "two million, five hundred thirty-one thousand, three hundred forty-two".