25543054 has 4 divisors (see below), whose sum is σ = 38314584. Its totient is φ = 12771526.

The previous prime is 25543051. The next prime is 25543069. The reversal of 25543054 is 45034552.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25543051) 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 as a sum of consecutive naturals, namely, 6385762 + ... + 6385765.

It is an arithmetic number, because the mean of its divisors is an integer number (9578646).

Almost surely, 2^25543054 is an apocalyptic number.

25543054 is a deficient number, since it is larger than the sum of its proper divisors (12771530).

25543054 is a wasteful number, since it uses less digits than its factorization.

25543054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12771529.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 25543054 is about 5054.0136525340. The cubic root of 25543054 is about 294.5038255091.

The spelling of 25543054 in words is "twenty-five million, five hundred forty-three thousand, fifty-four".