25956573 has 16 divisors (see below), whose sum is σ = 35695680. Its totient is φ = 16765056.

The previous prime is 25956571. The next prime is 25956599. The reversal of 25956573 is 37565952.

It is not a de Polignac number, because 25956573 - 2¹ = 25956571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25956571) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41761 + ... + 42377.

It is an arithmetic number, because the mean of its divisors is an integer number (2230980).

Almost surely, 2^25956573 is an apocalyptic number.

It is an amenable number.

25956573 is a deficient number, since it is larger than the sum of its proper divisors (9739107).

25956573 is a wasteful number, since it uses less digits than its factorization.

25956573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 283500, while the sum is 42.

The square root of 25956573 is about 5094.7593662508. The cubic root of 25956573 is about 296.0845760570.

The spelling of 25956573 in words is "twenty-five million, nine hundred fifty-six thousand, five hundred seventy-three".