25545750 has 32 divisors (see below), whose sum is σ = 63764064. Its totient is φ = 6812000.

The previous prime is 25545743. The next prime is 25545757. The reversal of 25545750 is 5754552.

It is an interprime number because it is at equal distance from previous prime (25545743) and next prime (25545757).

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16281 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (1992627).

Almost surely, 2^25545750 is an apocalyptic number.

25545750 is an abundant number, since it is smaller than the sum of its proper divisors (38218314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25545750 is a wasteful number, since it uses less digits than its factorization.

25545750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34081 (or 34071 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 25545750 is about 5054.2803642062. The cubic root of 25545750 is about 294.5141865043.

The spelling of 25545750 in words is "twenty-five million, five hundred forty-five thousand, seven hundred fifty".