25030541 has 4 divisors (see below), whose sum is σ = 25641084. Its totient is φ = 24420000.

The previous prime is 25030519. The next prime is 25030561. The reversal of 25030541 is 14503052.

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 2468041 + 22562500 = 1571^2 + 4750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25030541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25030561) 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, 305210 + ... + 305291.

It is an arithmetic number, because the mean of its divisors is an integer number (6410271).

Almost surely, 2^25030541 is an apocalyptic number.

It is an amenable number.

25030541 is a deficient number, since it is larger than the sum of its proper divisors (610543).

25030541 is an equidigital number, since it uses as much as digits as its factorization.

25030541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610542.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 25030541 is about 5003.0531678166. The cubic root of 25030541 is about 292.5207952683.

Adding to 25030541 its reverse (14503052), we get a palindrome (39533593).

The spelling of 25030541 in words is "twenty-five million, thirty thousand, five hundred forty-one".