2523523525 has 6 divisors (see below), whose sum is σ = 3129169202. Its totient is φ = 2018818800.

The previous prime is 2523523517. The next prime is 2523523531. The reversal of 2523523525 is 5253253252.

It can be written as a sum of positive squares in 3 ways, for example, as 94906564 + 2428616961 = 9742^2 + 49281^2 .

It is not a de Polignac number, because 2523523525 - 2³ = 2523523517 is a prime.

It is a Duffinian number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 50470446 + ... + 50470495.

Almost surely, 2^2523523525 is an apocalyptic number.

2523523525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2523523525 is a deficient number, since it is larger than the sum of its proper divisors (605645677).

2523523525 is a wasteful number, since it uses less digits than its factorization.

2523523525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100940951 (or 100940946 counting only the distinct ones).

The product of its digits is 90000, while the sum is 34.

The square root of 2523523525 is about 50234.6844819394. The cubic root of 2523523525 is about 1361.4523709020.

Adding to 2523523525 its reverse (5253253252), we get a palindrome (7776776777).

The spelling of 2523523525 in words is "two billion, five hundred twenty-three million, five hundred twenty-three thousand, five hundred twenty-five".