25783355 has 8 divisors (see below), whose sum is σ = 33320112. Its totient is φ = 19039968.

The previous prime is 25783343. The next prime is 25783357. The reversal of 25783355 is 55338752.

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 25783355 - 2¹⁶ = 25717819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25783357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198269 + ... + 198398.

It is an arithmetic number, because the mean of its divisors is an integer number (4165014).

Almost surely, 2^25783355 is an apocalyptic number.

25783355 is a deficient number, since it is larger than the sum of its proper divisors (7536757).

25783355 is a wasteful number, since it uses less digits than its factorization.

25783355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396685.

The product of its digits is 126000, while the sum is 38.

The square root of 25783355 is about 5077.7312847373. The cubic root of 25783355 is about 295.4244774996.

The spelling of 25783355 in words is "twenty-five million, seven hundred eighty-three thousand, three hundred fifty-five".