25326025 has 6 divisors (see below), whose sum is σ = 31404302. Its totient is φ = 20260800.

The previous prime is 25326023. The next prime is 25326047. The reversal of 25326025 is 52062352.

It can be written as a sum of positive squares in 3 ways, for example, as 5798464 + 19527561 = 2408^2 + 4419^2 .

It is not a de Polignac number, because 25326025 - 2¹ = 25326023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1013041 = 25326025 / (2 + 5 + 3 + 2 + 6 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25326023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506496 + ... + 506545.

Almost surely, 2^25326025 is an apocalyptic number.

25326025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25326025 is a deficient number, since it is larger than the sum of its proper divisors (6078277).

25326025 is a wasteful number, since it uses less digits than its factorization.

25326025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013051 (or 1013046 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 25326025 is about 5032.4968951804. The cubic root of 25326025 is about 293.6673586750.

Adding to 25326025 its reverse (52062352), we get a palindrome (77388377).

The spelling of 25326025 in words is "twenty-five million, three hundred twenty-six thousand, twenty-five".