25545652 has 24 divisors (see below), whose sum is σ = 51337440. Its totient is φ = 11000160.

The previous prime is 25545649. The next prime is 25545659. The reversal of 25545652 is 25654552.

It is a super-2 number, since 2×25545652² = 1305160672210208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545659) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 14443 + ... + 16114.

It is an arithmetic number, because the mean of its divisors is an integer number (2139060).

Almost surely, 2^25545652 is an apocalyptic number.

25545652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25545652 is an abundant number, since it is smaller than the sum of its proper divisors (25791788).

25545652 is a wasteful number, since it uses less digits than its factorization.

25545652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30591 (or 30589 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 25545652 is about 5054.2706694438. The cubic root of 25545652 is about 294.5138098933.

Subtracting 25545652 from its reverse (25654552), we obtain a square (108900 = 330²).

The spelling of 25545652 in words is "twenty-five million, five hundred forty-five thousand, six hundred fifty-two".