25835641 has 8 divisors (see below), whose sum is σ = 27876744. Its totient is φ = 23802240.

The previous prime is 25835633. The next prime is 25835671. The reversal of 25835641 is 14653852.

It can be written as a sum of positive squares in 4 ways, for example, as 29241 + 25806400 = 171^2 + 5080^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25835641 - 2³ = 25835633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25835597 and 25835606.

It is not an unprimeable number, because it can be changed into a prime (25835671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6411 + ... + 9631.

It is an arithmetic number, because the mean of its divisors is an integer number (3484593).

Almost surely, 2^25835641 is an apocalyptic number.

It is an amenable number.

25835641 is a deficient number, since it is larger than the sum of its proper divisors (2041103).

25835641 is a wasteful number, since it uses less digits than its factorization.

25835641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its digits is 28800, while the sum is 34.

The square root of 25835641 is about 5082.8772363692. The cubic root of 25835641 is about 295.6240395119.

The spelling of 25835641 in words is "twenty-five million, eight hundred thirty-five thousand, six hundred forty-one".