25240135 has 8 divisors (see below), whose sum is σ = 30324240. Its totient is φ = 20168064.

The previous prime is 25240109. The next prime is 25240139. The reversal of 25240135 is 53104252.

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 25240135 - 2⁹ = 25239623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25240139) 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, 2544 + ... + 7546.

It is an arithmetic number, because the mean of its divisors is an integer number (3790530).

Almost surely, 2^25240135 is an apocalyptic number.

25240135 is a deficient number, since it is larger than the sum of its proper divisors (5084105).

25240135 is a wasteful number, since it uses less digits than its factorization.

25240135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25240135 is about 5023.9561104771. The cubic root of 25240135 is about 293.3350041514.

Adding to 25240135 its reverse (53104252), we get a palindrome (78344387).

The spelling of 25240135 in words is "twenty-five million, two hundred forty thousand, one hundred thirty-five".