2368521 has 27 divisors (see below), whose sum is σ = 3749421. Its totient is φ = 1495908.

The previous prime is 2368511. The next prime is 2368523. The reversal of 2368521 is 1258632.

The square root of 2368521 is 1539.

It is a perfect power (a square), and thus also a powerful number.

2368521 is nontrivially palindromic in base 8.

It is a tau number, because it is divible by the number of its divisors (27).

It is not a de Polignac number, because 2368521 - 2⁷ = 2368393 is a prime.

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

It is a d-powerful number, because it can be written as 2⁷ + 3¹¹ + 6⁵ + 8⁷ + 5⁷ + 2¹³ + 1 .

2368521 is a lucky number.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (2368523) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 124650 + ... + 124668.

2^2368521 is an apocalyptic number.

2368521 is the 1539-th square number.

2368521 is the 770-th centered octagonal number.

It is an amenable number.

2368521 is a deficient number, since it is larger than the sum of its proper divisors (1380900).

2368521 is an frugal number, since it uses more digits than its factorization.

2368521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62 (or 22 counting only the distinct ones).

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

The cubic root of 2368521 is about 133.2986486169.

The spelling of 2368521 in words is "two million, three hundred sixty-eight thousand, five hundred twenty-one".