10265409 has 24 divisors (see below), whose sum is σ = 18487872. Its totient is φ = 5332320.

The previous prime is 10265389. The next prime is 10265441. The reversal of 10265409 is 90456201.

10265409 is a `hidden beast` number, since 1 + 0 + 2 + 654 + 0 + 9 = 666.

It is not a de Polignac number, because 10265409 - 2¹⁵ = 10232641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10265459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6714 + ... + 8099.

It is an arithmetic number, because the mean of its divisors is an integer number (770328).

Almost surely, 2^10265409 is an apocalyptic number.

It is an amenable number.

10265409 is a deficient number, since it is larger than the sum of its proper divisors (8222463).

10265409 is a wasteful number, since it uses less digits than its factorization.

10265409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14837 (or 14834 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 10265409 is about 3203.9676964664. The cubic root of 10265409 is about 217.3328720073.

The spelling of 10265409 in words is "ten million, two hundred sixty-five thousand, four hundred nine".