2525252525 has 24 divisors (see below), whose sum is σ = 3219877248. Its totient is φ = 1963440000.

The previous prime is 2525252503. The next prime is 2525252567. The reversal of 2525252525 is 5252525252.

It is not a de Polignac number, because 2525252525 - 2¹⁰ = 2525251501 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

2525252525 is an undulating number in base 10.

2525252525 is a modest number, since divided by 252525 gives 2525 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273230 + ... + 282320.

It is an arithmetic number, because the mean of its divisors is an integer number (134161552).

Almost surely, 2^2525252525 is an apocalyptic number.

2525252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2525252525 is a deficient number, since it is larger than the sum of its proper divisors (694624723).

2525252525 is a wasteful number, since it uses less digits than its factorization.

2525252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413 (or 9408 counting only the distinct ones).

The product of its digits is 100000, while the sum is 35.

The square root of 2525252525 is about 50251.8907604480. The cubic root of 2525252525 is about 1361.7632343600.

Adding to 2525252525 its reverse (5252525252), we get a palindrome (7777777777).

It can be divided in two parts, 25252 and 52525, that added together give a palindrome (77777).

The spelling of 2525252525 in words is "two billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-five".