25235873 has 4 divisors (see below), whose sum is σ = 27177108. Its totient is φ = 23294640.

The previous prime is 25235863. The next prime is 25235909. The reversal of 25235873 is 37853252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8162449 + 17073424 = 2857^2 + 4132^2 .

It is a cyclic number.

It is not a de Polignac number, because 25235873 - 2¹⁰ = 25234849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25235863) 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, 970598 + ... + 970623.

It is an arithmetic number, because the mean of its divisors is an integer number (6794277).

Almost surely, 2^25235873 is an apocalyptic number.

It is an amenable number.

25235873 is a deficient number, since it is larger than the sum of its proper divisors (1941235).

25235873 is a wasteful number, since it uses less digits than its factorization.

25235873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941234.

The product of its digits is 50400, while the sum is 35.

The square root of 25235873 is about 5023.5319248513. The cubic root of 25235873 is about 293.3184925630.

The spelling of 25235873 in words is "twenty-five million, two hundred thirty-five thousand, eight hundred seventy-three".