25760542 has 16 divisors (see below), whose sum is σ = 43068240. Its totient is φ = 11484288.

The previous prime is 25760519. The next prime is 25760549. The reversal of 25760542 is 24506752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25760549) 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 in 7 ways as a sum of consecutive naturals, for example, 19293 + ... + 20584.

It is an arithmetic number, because the mean of its divisors is an integer number (2691765).

Almost surely, 2^25760542 is an apocalyptic number.

25760542 is a deficient number, since it is larger than the sum of its proper divisors (17307698).

25760542 is a wasteful number, since it uses less digits than its factorization.

25760542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39915.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 25760542 is about 5075.4844103790. The cubic root of 25760542 is about 295.3373216933.

The spelling of 25760542 in words is "twenty-five million, seven hundred sixty thousand, five hundred forty-two".