2531368 has 32 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 1020672.

The previous prime is 2531293. The next prime is 2531369. The reversal of 2531368 is 8631352.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 3⁶ + 1 + 3⁸ + 6⁶ + 8 .

It is not an unprimeable number, because it can be changed into a prime (2531369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 2281.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

2^2531368 is an apocalyptic number.

2531368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2531368 is an abundant number, since it is smaller than the sum of its proper divisors (3214232).

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

2531368 is a wasteful number, since it uses less digits than its factorization.

2531368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689 (or 2685 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2531368 is about 1591.0273410599. The cubic root of 2531368 is about 136.2861621602.

The spelling of 2531368 in words is "two million, five hundred thirty-one thousand, three hundred sixty-eight".