25500575 has 6 divisors (see below), whose sum is σ = 31620744. Its totient is φ = 20400440.

The previous prime is 25500557. The next prime is 25500577. The reversal of 25500575 is 57500552.

It is not a de Polignac number, because 25500575 - 2¹⁴ = 25484191 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 (25500577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509987 + ... + 510036.

It is an arithmetic number, because the mean of its divisors is an integer number (5270124).

Almost surely, 2^25500575 is an apocalyptic number.

25500575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25500575 is a deficient number, since it is larger than the sum of its proper divisors (6120169).

25500575 is a wasteful number, since it uses less digits than its factorization.

25500575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020033 (or 1020028 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 25500575 is about 5049.8094023438. The cubic root of 25500575 is about 294.3404781740.

The spelling of 25500575 in words is "twenty-five million, five hundred thousand, five hundred seventy-five".