2525504545957 has 4 divisors (see below), whose sum is σ = 2573155575180. Its totient is φ = 2477853516736.

The previous prime is 2525504545951. The next prime is 2525504545969. The reversal of 2525504545957 is 7595454055252.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1660453879396 + 865050666561 = 1288586^2 + 930081^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525504545957 - 2³¹ = 2523357062309 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525504545951) by changing a digit.

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, 23825514532 + ... + 23825514637.

It is an arithmetic number, because the mean of its divisors is an integer number (643288893795).

Almost surely, 2^{2525504545957} is an apocalyptic number.

It is an amenable number.

2525504545957 is a deficient number, since it is larger than the sum of its proper divisors (47651029223).

2525504545957 is an equidigital number, since it uses as much as digits as its factorization.

2525504545957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47651029222.

The product of its (nonzero) digits is 63000000, while the sum is 58.

The spelling of 2525504545957 in words is "two trillion, five hundred twenty-five billion, five hundred four million, five hundred forty-five thousand, nine hundred fifty-seven".