25135085 has 4 divisors (see below), whose sum is σ = 30162108. Its totient is φ = 20108064.

The previous prime is 25135063. The next prime is 25135109. The reversal of 25135085 is 58053152.

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 9815689 + 15319396 = 3133^2 + 3914^2 .

It is a cyclic number.

It is not a de Polignac number, because 25135085 - 2⁸ = 25134829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513504 + ... + 2513513.

It is an arithmetic number, because the mean of its divisors is an integer number (7540527).

Almost surely, 2^25135085 is an apocalyptic number.

It is an amenable number.

25135085 is a deficient number, since it is larger than the sum of its proper divisors (5027023).

25135085 is an equidigital number, since it uses as much as digits as its factorization.

25135085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027022.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 25135085 is about 5013.4903011774. The cubic root of 25135085 is about 292.9274826650.

The spelling of 25135085 in words is "twenty-five million, one hundred thirty-five thousand, eighty-five".