25350025 has 12 divisors (see below), whose sum is σ = 32801472. Its totient is φ = 19397840.

The previous prime is 25350023. The next prime is 25350029. The reversal of 25350025 is 52005352.

It is not a de Polignac number, because 25350025 - 2¹ = 25350023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25349978 and 25350005.

It is not an unprimeable number, because it can be changed into a prime (25350023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21469 + ... + 22618.

It is an arithmetic number, because the mean of its divisors is an integer number (2733456).

Almost surely, 2^25350025 is an apocalyptic number.

25350025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25350025 is a deficient number, since it is larger than the sum of its proper divisors (7451447).

25350025 is a wasteful number, since it uses less digits than its factorization.

25350025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44120 (or 44115 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 25350025 is about 5034.8808327507. The cubic root of 25350025 is about 293.7600932099.

Adding to 25350025 its reverse (52005352), we get a palindrome (77355377).

The spelling of 25350025 in words is "twenty-five million, three hundred fifty thousand, twenty-five".