25625263 has 4 divisors (see below), whose sum is σ = 25976368. Its totient is φ = 25274160.

The previous prime is 25625261. The next prime is 25625269. The reversal of 25625263 is 36252652.

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 25625263 - 2¹ = 25625261 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 (25625261) 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, 175443 + ... + 175588.

It is an arithmetic number, because the mean of its divisors is an integer number (6494092).

Almost surely, 2^25625263 is an apocalyptic number.

25625263 is a deficient number, since it is larger than the sum of its proper divisors (351105).

25625263 is an equidigital number, since it uses as much as digits as its factorization.

25625263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351104.

The product of its digits is 21600, while the sum is 31.

The square root of 25625263 is about 5062.1401600509. The cubic root of 25625263 is about 294.8194356097.

It can be divided in two parts, 2 and 5625263, that added together give a palindrome (5625265).

The spelling of 25625263 in words is "twenty-five million, six hundred twenty-five thousand, two hundred sixty-three".