25140441 has 8 divisors (see below), whose sum is σ = 34233984. Its totient is φ = 16403600.

The previous prime is 25140389. The next prime is 25140457. The reversal of 25140441 is 14404152.

It is a happy number.

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 25140441 - 2¹³ = 25132249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25140481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89010 + ... + 89291.

It is an arithmetic number, because the mean of its divisors is an integer number (4279248).

Almost surely, 2^25140441 is an apocalyptic number.

It is an amenable number.

25140441 is a deficient number, since it is larger than the sum of its proper divisors (9093543).

25140441 is a wasteful number, since it uses less digits than its factorization.

25140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178351.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 25140441 is about 5014.0244315320. The cubic root of 25140441 is about 292.9482876894.

Adding to 25140441 its reverse (14404152), we get a palindrome (39544593).

The spelling of 25140441 in words is "twenty-five million, one hundred forty thousand, four hundred forty-one".