25286026 has 16 divisors (see below), whose sum is σ = 38561184. Its totient is φ = 12434224.

The previous prime is 25286003. The next prime is 25286069. The reversal of 25286026 is 62068252.

It is a super-2 number, since 2×25286026² = 1278766221745352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36681 + ... + 37363.

It is an arithmetic number, because the mean of its divisors is an integer number (2410074).

Almost surely, 2^25286026 is an apocalyptic number.

25286026 is a deficient number, since it is larger than the sum of its proper divisors (13275158).

25286026 is a wasteful number, since it uses less digits than its factorization.

25286026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 25286026 is about 5028.5212538081. The cubic root of 25286026 is about 293.5126747078.

The spelling of 25286026 in words is "twenty-five million, two hundred eighty-six thousand, twenty-six".