2521368 has 48 divisors (see below), whose sum is σ = 7087080. Its totient is φ = 839808.

The previous prime is 2521367. The next prime is 2521373. The reversal of 2521368 is 8631252.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1296 + ... + 2592.

2^2521368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3543540).

2521368 is an abundant number, since it is smaller than the sum of its proper divisors (4565712).

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

2521368 is a wasteful number, since it uses less digits than its factorization.

2521368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1302 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2521368 is about 1587.8816076773. The cubic root of 2521368 is about 136.1064621980.

It can be divided in two parts, 25213 and 68, that added together give a square (25281 = 159²).

The spelling of 2521368 in words is "two million, five hundred twenty-one thousand, three hundred sixty-eight".