25343565 has 16 divisors (see below), whose sum is σ = 43669248. Its totient is φ = 12476736.

The previous prime is 25343537. The next prime is 25343567. The reversal of 25343565 is 56534352.

It is not a de Polignac number, because 25343565 - 2⁶ = 25343501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25343567) 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, 64789 + ... + 65178.

It is an arithmetic number, because the mean of its divisors is an integer number (2729328).

Almost surely, 2^25343565 is an apocalyptic number.

It is an amenable number.

25343565 is a deficient number, since it is larger than the sum of its proper divisors (18325683).

25343565 is a wasteful number, since it uses less digits than its factorization.

25343565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129988.

The product of its digits is 54000, while the sum is 33.

The square root of 25343565 is about 5034.2392672578. The cubic root of 25343565 is about 293.7351379232.

The spelling of 25343565 in words is "twenty-five million, three hundred forty-three thousand, five hundred sixty-five".