2521315 has 8 divisors (see below), whose sum is σ = 3090240. Its totient is φ = 1973952.

The previous prime is 2521307. The next prime is 2521327. The reversal of 2521315 is 5131252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2521315 - 2³ = 2521307 is a prime.

2521315 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2521292 and 2521301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5130 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (386280).

2^2521315 is an apocalyptic number.

2521315 is a deficient number, since it is larger than the sum of its proper divisors (568925).

2521315 is a wasteful number, since it uses less digits than its factorization.

2521315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781.

The product of its digits is 300, while the sum is 19.

The square root of 2521315 is about 1587.8649186880. The cubic root of 2521315 is about 136.1055085235.

Adding to 2521315 its reverse (5131252), we get a palindrome (7652567).

The spelling of 2521315 in words is "two million, five hundred twenty-one thousand, three hundred fifteen".