25250002750025 has 12 divisors (see below), whose sum is σ = 31706332569600. Its totient is φ = 19944305968080.

The previous prime is 25250002750013. The next prime is 25250002750061. The reversal of 25250002750025 is 52005720005252.

It is not a de Polignac number, because 25250002750025 - 2³⁰ = 25248929008201 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6392403785 + ... + 6392407734.

It is an arithmetic number, because the mean of its divisors is an integer number (2642194380800).

Almost surely, 2^{25250002750025} is an apocalyptic number.

25250002750025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25250002750025 is a deficient number, since it is larger than the sum of its proper divisors (6456329819575).

25250002750025 is a wasteful number, since it uses less digits than its factorization.

25250002750025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12784811608 (or 12784811603 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

Adding to 25250002750025 its reverse (52005720005252), we get a palindrome (77255722755277).

The spelling of 25250002750025 in words is "twenty-five trillion, two hundred fifty billion, two million, seven hundred fifty thousand, twenty-five".