25570441 has 8 divisors (see below), whose sum is σ = 28282184. Its totient is φ = 22965120.

The previous prime is 25570439. The next prime is 25570453. The reversal of 25570441 is 14407552.

It can be written as a sum of positive squares in 4 ways, for example, as 6175225 + 19395216 = 2485^2 + 4404^2 .

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 25570441 - 2¹ = 25570439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25570421) 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, 26100 + ... + 27061.

It is an arithmetic number, because the mean of its divisors is an integer number (3535273).

Almost surely, 2^25570441 is an apocalyptic number.

25570441 is the 2920-th hex number.

It is an amenable number.

25570441 is a deficient number, since it is larger than the sum of its proper divisors (2711743).

25570441 is a wasteful number, since it uses less digits than its factorization.

25570441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53211.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 25570441 is about 5056.7223574169. The cubic root of 25570441 is about 294.6090425722.

Adding to 25570441 its reverse (14407552), we get a palindrome (39977993).

The spelling of 25570441 in words is "twenty-five million, five hundred seventy thousand, four hundred forty-one".