25648485 has 16 divisors (see below), whose sum is σ = 41100864. Its totient is φ = 13658112.

The previous prime is 25648459. The next prime is 25648489. The reversal of 25648485 is 58484652.

It is not a de Polignac number, because 25648485 - 2¹¹ = 25646437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25648489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16554 + ... + 18036.

It is an arithmetic number, because the mean of its divisors is an integer number (2568804).

Almost surely, 2^25648485 is an apocalyptic number.

It is an amenable number.

25648485 is a deficient number, since it is larger than the sum of its proper divisors (15452379).

25648485 is a wasteful number, since it uses less digits than its factorization.

25648485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644.

The product of its digits is 307200, while the sum is 42.

The square root of 25648485 is about 5064.4333345400. The cubic root of 25648485 is about 294.9084653288.

The spelling of 25648485 in words is "twenty-five million, six hundred forty-eight thousand, four hundred eighty-five".