25530341 has 4 divisors (see below), whose sum is σ = 25570092. Its totient is φ = 25490592.

The previous prime is 25530313. The next prime is 25530343. The reversal of 25530341 is 14303552.

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 8099716 + 17430625 = 2846^2 + 4175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25530341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18896 + ... + 20201.

It is an arithmetic number, because the mean of its divisors is an integer number (6392523).

Almost surely, 2^25530341 is an apocalyptic number.

It is an amenable number.

25530341 is a deficient number, since it is larger than the sum of its proper divisors (39751).

25530341 is an equidigital number, since it uses as much as digits as its factorization.

25530341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39750.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25530341 is about 5052.7557827388. The cubic root of 25530341 is about 294.4549583630.

Adding to 25530341 its reverse (14303552), we get a palindrome (39833893).

The spelling of 25530341 in words is "twenty-five million, five hundred thirty thousand, three hundred forty-one".