25075775 has 12 divisors (see below), whose sum is σ = 31404984. Its totient is φ = 19860000.

The previous prime is 25075759. The next prime is 25075783. The reversal of 25075775 is 57757052.

It is a happy number.

It is not a de Polignac number, because 25075775 - 2⁴ = 25075759 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent 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, 2441 + ... + 7490.

It is an arithmetic number, because the mean of its divisors is an integer number (2617082).

Almost surely, 2^25075775 is an apocalyptic number.

25075775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25075775 is a deficient number, since it is larger than the sum of its proper divisors (6329209).

25075775 is a wasteful number, since it uses less digits than its factorization.

25075775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042 (or 10037 counting only the distinct ones).

The product of its (nonzero) digits is 85750, while the sum is 38.

The square root of 25075775 is about 5007.5717668347. The cubic root of 25075775 is about 292.6968991057.

The spelling of 25075775 in words is "twenty-five million, seventy-five thousand, seven hundred seventy-five".