25966485 has 12 divisors (see below), whose sum is σ = 45008652. Its totient is φ = 13848768.

The previous prime is 25966481. The next prime is 25966487. The reversal of 25966485 is 58466952.

It can be written as a sum of positive squares in 2 ways, for example, as 14311089 + 11655396 = 3783^2 + 3414^2 .

It is not a de Polignac number, because 25966485 - 2² = 25966481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 577033 = 25966485 / (2 + 5 + 9 + 6 + 6 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 25966485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25966481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288472 + ... + 288561.

It is an arithmetic number, because the mean of its divisors is an integer number (3750721).

Almost surely, 2^25966485 is an apocalyptic number.

It is an amenable number.

25966485 is a deficient number, since it is larger than the sum of its proper divisors (19042167).

25966485 is a wasteful number, since it uses less digits than its factorization.

25966485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577044 (or 577041 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 25966485 is about 5095.7320376959. The cubic root of 25966485 is about 296.1222597275.

The spelling of 25966485 in words is "twenty-five million, nine hundred sixty-six thousand, four hundred eighty-five".