25945552 has 10 divisors (see below), whose sum is σ = 50269538. Its totient is φ = 12972768.

The previous prime is 25945531. The next prime is 25945561. The reversal of 25945552 is 25554952.

It can be written as a sum of positive squares in only one way, i.e., 25765776 + 179776 = 5076^2 + 424^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 810783 + ... + 810814.

Almost surely, 2^25945552 is an apocalyptic number.

It is an amenable number.

25945552 is a deficient number, since it is larger than the sum of its proper divisors (24323986).

25945552 is a wasteful number, since it uses less digits than its factorization.

25945552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621605 (or 1621599 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 25945552 is about 5093.6776497929. The cubic root of 25945552 is about 296.0426648995.

The spelling of 25945552 in words is "twenty-five million, nine hundred forty-five thousand, five hundred fifty-two".