25488605 has 8 divisors (see below), whose sum is σ = 30613464. Its totient is φ = 20372800.

The previous prime is 25488599. The next prime is 25488611. The reversal of 25488605 is 50688452.

It is an interprime number because it is at equal distance from previous prime (25488599) and next prime (25488611).

It can be written as a sum of positive squares in 4 ways, for example, as 1301881 + 24186724 = 1141^2 + 4918^2 .

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

It is not a de Polignac number, because 25488605 - 2¹⁴ = 25472221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9515 + ... + 11895.

It is an arithmetic number, because the mean of its divisors is an integer number (3826683).

Almost surely, 2^25488605 is an apocalyptic number.

It is an amenable number.

25488605 is a deficient number, since it is larger than the sum of its proper divisors (5124859).

25488605 is a wasteful number, since it uses less digits than its factorization.

25488605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 25488605 is about 5048.6240699818. The cubic root of 25488605 is about 294.2944163768.

The spelling of 25488605 in words is "twenty-five million, four hundred eighty-eight thousand, six hundred five".