25260859 has 8 divisors (see below), whose sum is σ = 27455120. Its totient is φ = 23102496.

The previous prime is 25260841. The next prime is 25260869. The reversal of 25260859 is 95806252.

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 25260859 - 2¹⁷ = 25129787 is a prime.

It is a super-2 number, since 2×25260859² = 1276221994835762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25260839) 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, 7497 + ... + 10330.

It is an arithmetic number, because the mean of its divisors is an integer number (3431890).

Almost surely, 2^25260859 is an apocalyptic number.

25260859 is a deficient number, since it is larger than the sum of its proper divisors (2194261).

25260859 is a wasteful number, since it uses less digits than its factorization.

25260859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17949.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 25260859 is about 5026.0182052993. The cubic root of 25260859 is about 293.4152653650.

The spelling of 25260859 in words is "twenty-five million, two hundred sixty thousand, eight hundred fifty-nine".