25740573 has 16 divisors (see below), whose sum is σ = 36241920. Its totient is φ = 16205616.

The previous prime is 25740569. The next prime is 25740581. The reversal of 25740573 is 37504752.

It is not a de Polignac number, because 25740573 - 2² = 25740569 is a prime.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25740503) 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 15 ways as a sum of consecutive naturals, for example, 26136 + ... + 27102.

It is an arithmetic number, because the mean of its divisors is an integer number (2265120).

Almost surely, 2^25740573 is an apocalyptic number.

It is an amenable number.

25740573 is a deficient number, since it is larger than the sum of its proper divisors (10501347).

25740573 is a wasteful number, since it uses less digits than its factorization.

25740573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 25740573 is about 5073.5168276059. The cubic root of 25740573 is about 295.2609889887.

The spelling of 25740573 in words is "twenty-five million, seven hundred forty thousand, five hundred seventy-three".