2557530025 has 6 divisors (see below), whose sum is σ = 3171337262. Its totient is φ = 2046024000.

The previous prime is 2557530007. The next prime is 2557530037. The reversal of 2557530025 is 5200357552.

2557530025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 418652521 + 2138877504 = 20461^2 + 46248^2 .

It is not a de Polignac number, because 2557530025 - 2¹¹ = 2557527977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51150576 + ... + 51150625.

Almost surely, 2^2557530025 is an apocalyptic number.

2557530025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2557530025 is a deficient number, since it is larger than the sum of its proper divisors (613807237).

2557530025 is a wasteful number, since it uses less digits than its factorization.

2557530025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102301211 (or 102301206 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 2557530025 is about 50572.0280886579. The cubic root of 2557530025 is about 1367.5406576617.

Adding to 2557530025 its reverse (5200357552), we get a palindrome (7757887577).

The spelling of 2557530025 in words is "two billion, five hundred fifty-seven million, five hundred thirty thousand, twenty-five".