2525403515 has 4 divisors (see below), whose sum is σ = 3030484224. Its totient is φ = 2020322808.

The previous prime is 2525403457. The next prime is 2525403521. The reversal of 2525403515 is 5153045252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2525403515 - 2¹⁶ = 2525337979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252540347 + ... + 252540356.

It is an arithmetic number, because the mean of its divisors is an integer number (757621056).

Almost surely, 2^2525403515 is an apocalyptic number.

2525403515 is a deficient number, since it is larger than the sum of its proper divisors (505080709).

2525403515 is an equidigital number, since it uses as much as digits as its factorization.

2525403515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505080708.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2525403515 is about 50253.3930695232. The cubic root of 2525403515 is about 1361.7903746864.

Adding to 2525403515 its reverse (5153045252), we get a palindrome (7678448767).

The spelling of 2525403515 in words is "two billion, five hundred twenty-five million, four hundred three thousand, five hundred fifteen".