2511234 has 36 divisors (see below), whose sum is σ = 5985798. Its totient is φ = 760320.

The previous prime is 2511169. The next prime is 2511241. The reversal of 2511234 is 4321152.

It can be written as a sum of positive squares in only one way, i.e., 1830609 + 680625 = 1353^2 + 825^2 .

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

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁹ + 1 + 1 + 2¹⁹ + 3³ + 4⁵ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1602 + ... + 2754.

2^2511234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2511234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2992899).

2511234 is an abundant number, since it is smaller than the sum of its proper divisors (3474564).

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

2511234 is a wasteful number, since it uses less digits than its factorization.

2511234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1169 counting only the distinct ones).

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

The square root of 2511234 is about 1584.6873508677. The cubic root of 2511234 is about 135.9238688670.

Adding to 2511234 its reverse (4321152), we get a palindrome (6832386).

It can be divided in two parts, 251 and 1234, that added together give a triangular number (1485 = T₅₄).

The spelling of 2511234 in words is "two million, five hundred eleven thousand, two hundred thirty-four".