25869952 has 16 divisors (see below), whose sum is σ = 51538050. Its totient is φ = 12934912.

The previous prime is 25869947. The next prime is 25869979. The reversal of 25869952 is 25996852.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21307456 + 4562496 = 4616^2 + 2136^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 100927 + ... + 101182.

Almost surely, 2^25869952 is an apocalyptic number.

It is an amenable number.

25869952 is a deficient number, since it is larger than the sum of its proper divisors (25668098).

25869952 is an equidigital number, since it uses as much as digits as its factorization.

25869952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202123 (or 202111 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 25869952 is about 5086.2512718111. The cubic root of 25869952 is about 295.7548493691.

The spelling of 25869952 in words is "twenty-five million, eight hundred sixty-nine thousand, nine hundred fifty-two".