2520315 has 60 divisors (see below), whose sum is σ = 5296896. Its totient is φ = 1143072.

The previous prime is 2520313. The next prime is 2520319. The reversal of 2520315 is 5130252.

It is a happy number.

It is not a de Polignac number, because 2520315 - 2¹ = 2520313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520313) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19782 + ... + 19908.

2^2520315 is an apocalyptic number.

2520315 is an abundant number, since it is smaller than the sum of its proper divisors (2776581).

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

2520315 is a wasteful number, since it uses less digits than its factorization.

2520315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2520315 is about 1587.5499992126. The cubic root of 2520315 is about 136.0875121596.

Adding to 2520315 its reverse (5130252), we get a palindrome (7650567).

The spelling of 2520315 in words is "two million, five hundred twenty thousand, three hundred fifteen".