25575023 has 4 divisors (see below), whose sum is σ = 25761840. Its totient is φ = 25388208.

The previous prime is 25575001. The next prime is 25575037. The reversal of 25575023 is 32057552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25575023 - 2⁶ = 25574959 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 (25575073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93203 + ... + 93476.

It is an arithmetic number, because the mean of its divisors is an integer number (6440460).

Almost surely, 2^25575023 is an apocalyptic number.

25575023 is a deficient number, since it is larger than the sum of its proper divisors (186817).

25575023 is a wasteful number, since it uses less digits than its factorization.

25575023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186816.

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 25575023 is about 5057.1753973933. The cubic root of 25575023 is about 294.6266386448.

The spelling of 25575023 in words is "twenty-five million, five hundred seventy-five thousand, twenty-three".