2523453515 has 16 divisors (see below), whose sum is σ = 3304410336. Its totient is φ = 1834694400.

The previous prime is 2523453469. The next prime is 2523453523. The reversal of 2523453515 is 5153543252.

It is not a de Polignac number, because 2523453515 - 2²⁰ = 2522404939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333575 + ... + 341055.

It is an arithmetic number, because the mean of its divisors is an integer number (206525646).

Almost surely, 2^2523453515 is an apocalyptic number.

2523453515 is a deficient number, since it is larger than the sum of its proper divisors (780956821).

2523453515 is a wasteful number, since it uses less digits than its factorization.

2523453515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630.

The product of its digits is 90000, while the sum is 35.

The square root of 2523453515 is about 50233.9876478067. The cubic root of 2523453515 is about 1361.4397805482.

Adding to 2523453515 its reverse (5153543252), we get a palindrome (7676996767).

The spelling of 2523453515 in words is "two billion, five hundred twenty-three million, four hundred fifty-three thousand, five hundred fifteen".