2511342 has 48 divisors (see below), whose sum is σ = 5981040. Its totient is φ = 758016.

The previous prime is 2511337. The next prime is 2511343. The reversal of 2511342 is 2431152.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8733 + ... + 9015.

It is an arithmetic number, because the mean of its divisors is an integer number (124605).

2^2511342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2511342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2990520).

2511342 is an abundant number, since it is smaller than the sum of its proper divisors (3469698).

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

2511342 is a wasteful number, since it uses less digits than its factorization.

2511342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 334 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2511342 is about 1584.7214266236. The cubic root of 2511342 is about 135.9258173868.

Adding to 2511342 its reverse (2431152), we get a palindrome (4942494).

The spelling of 2511342 in words is "two million, five hundred eleven thousand, three hundred forty-two".