25952578 has 16 divisors (see below), whose sum is σ = 39610080. Its totient is φ = 12751200.

The previous prime is 25952569. The next prime is 25952587. The reversal of 25952578 is 87525952.

It is an interprime number because it is at equal distance from previous prime (25952569) and next prime (25952587).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37213 + ... + 37903.

It is an arithmetic number, because the mean of its divisors is an integer number (2475630).

Almost surely, 2^25952578 is an apocalyptic number.

25952578 is a deficient number, since it is larger than the sum of its proper divisors (13657502).

25952578 is a wasteful number, since it uses less digits than its factorization.

25952578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its digits is 252000, while the sum is 43.

The square root of 25952578 is about 5094.3672816160. The cubic root of 25952578 is about 296.0693850612.

The spelling of 25952578 in words is "twenty-five million, nine hundred fifty-two thousand, five hundred seventy-eight".