25025002775 has 6 divisors (see below), whose sum is σ = 31031003472. Its totient is φ = 20020002200.

The previous prime is 25025002757. The next prime is 25025002789. The reversal of 25025002775 is 57720052052.

It is not a de Polignac number, because 25025002775 - 2¹⁶ = 25024937239 is a prime.

It is a Duffinian number.

It is a congruent 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, 500500031 + ... + 500500080.

It is an arithmetic number, because the mean of its divisors is an integer number (5171833912).

Almost surely, 2^25025002775 is an apocalyptic number.

25025002775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25025002775 is a deficient number, since it is larger than the sum of its proper divisors (6006000697).

25025002775 is a wasteful number, since it uses less digits than its factorization.

25025002775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001000121 (or 1001000116 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The spelling of 25025002775 in words is "twenty-five billion, twenty-five million, two thousand, seven hundred seventy-five".