25740255 has 32 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 12962432.

The previous prime is 25740203. The next prime is 25740257. The reversal of 25740255 is 55204752.

It is a cyclic number.

It is not a de Polignac number, because 25740255 - 2⁸ = 25739999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25740257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19816 + ... + 21074.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^25740255 is an apocalyptic number.

25740255 is a deficient number, since it is larger than the sum of its proper divisors (17805345).

25740255 is a wasteful number, since it uses less digits than its factorization.

25740255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 25740255 is about 5073.4854883009. The cubic root of 25740255 is about 295.2597730953.

The spelling of 25740255 in words is "twenty-five million, seven hundred forty thousand, two hundred fifty-five".