25057775 has 12 divisors (see below), whose sum is σ = 31164672. Its totient is φ = 19986240.

The previous prime is 25057771. The next prime is 25057793. The reversal of 25057775 is 57775052.

It is a happy number.

It is not a de Polignac number, because 25057775 - 2² = 25057771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25057771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8267 + ... + 10883.

It is an arithmetic number, because the mean of its divisors is an integer number (2597056).

Almost surely, 2^25057775 is an apocalyptic number.

25057775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25057775 is a deficient number, since it is larger than the sum of its proper divisors (6106897).

25057775 is a wasteful number, since it uses less digits than its factorization.

25057775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010 (or 3005 counting only the distinct ones).

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

The square root of 25057775 is about 5005.7741659008. The cubic root of 25057775 is about 292.6268473617.

The spelling of 25057775 in words is "twenty-five million, fifty-seven thousand, seven hundred seventy-five".