25760539 has 8 divisors (see below), whose sum is σ = 29514240. Its totient is φ = 22025256.

The previous prime is 25760519. The next prime is 25760549. The reversal of 25760539 is 93506752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25760539 - 2¹⁵ = 25727771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25760498 and 25760507.

It is not an unprimeable number, because it can be changed into a prime (25760519) 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, 1459 + ... + 7324.

It is an arithmetic number, because the mean of its divisors is an integer number (3689280).

Almost surely, 2^25760539 is an apocalyptic number.

25760539 is a deficient number, since it is larger than the sum of its proper divisors (3753701).

25760539 is an equidigital number, since it uses as much as digits as its factorization.

25760539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 25760539 is about 5075.4841148407. The cubic root of 25760539 is about 295.3373102286.

The spelling of 25760539 in words is "twenty-five million, seven hundred sixty thousand, five hundred thirty-nine".