25545452 has 6 divisors (see below), whose sum is σ = 44704548. Its totient is φ = 12772724.

The previous prime is 25545451. The next prime is 25545461. The reversal of 25545452 is 25454552.

It is not an unprimeable number, because it can be changed into a prime (25545451) 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 as a sum of consecutive naturals, namely, 3193178 + ... + 3193185.

It is an arithmetic number, because the mean of its divisors is an integer number (7450758).

Almost surely, 2^25545452 is an apocalyptic number.

It is an amenable number.

25545452 is a deficient number, since it is larger than the sum of its proper divisors (19159096).

25545452 is a wasteful number, since it uses less digits than its factorization.

25545452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386367 (or 6386365 counting only the distinct ones).

The product of its digits is 40000, while the sum is 32.

The square root of 25545452 is about 5054.2508841568. The cubic root of 25545452 is about 294.5130412966.

The spelling of 25545452 in words is "twenty-five million, five hundred forty-five thousand, four hundred fifty-two".