25135325 has 6 divisors (see below), whose sum is σ = 31167834. Its totient is φ = 20108240.

The previous prime is 25135301. The next prime is 25135339. The reversal of 25135325 is 52353152.

It can be written as a sum of positive squares in 3 ways, for example, as 6791236 + 18344089 = 2606^2 + 4283^2 .

It is not a de Polignac number, because 25135325 - 2¹⁰ = 25134301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25135294 and 25135303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502682 + ... + 502731.

It is an arithmetic number, because the mean of its divisors is an integer number (5194639).

Almost surely, 2^25135325 is an apocalyptic number.

25135325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25135325 is a deficient number, since it is larger than the sum of its proper divisors (6032509).

25135325 is a wasteful number, since it uses less digits than its factorization.

25135325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005423 (or 1005418 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 25135325 is about 5013.5142365411. The cubic root of 25135325 is about 292.9284149922.

Adding to 25135325 its reverse (52353152), we get a palindrome (77488477).

The spelling of 25135325 in words is "twenty-five million, one hundred thirty-five thousand, three hundred twenty-five".