25575243 has 8 divisors (see below), whose sum is σ = 34209168. Its totient is φ = 16995744.

The previous prime is 25575233. The next prime is 25575257. The reversal of 25575243 is 34257552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25575243 - 2⁴ = 25575227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25575233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12496 + ... + 14397.

It is an arithmetic number, because the mean of its divisors is an integer number (4276146).

Almost surely, 2^25575243 is an apocalyptic number.

25575243 is a deficient number, since it is larger than the sum of its proper divisors (8633925).

25575243 is a wasteful number, since it uses less digits than its factorization.

25575243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27213.

The product of its digits is 42000, while the sum is 33.

The square root of 25575243 is about 5057.1971486190. The cubic root of 25575243 is about 294.6274834492.

The spelling of 25575243 in words is "twenty-five million, five hundred seventy-five thousand, two hundred forty-three".