10265865 has 16 divisors (see below), whose sum is σ = 16495488. Its totient is φ = 5451776.

The previous prime is 10265851. The next prime is 10265869. The reversal of 10265865 is 56856201.

It is a cyclic number.

It is not a de Polignac number, because 10265865 - 2⁷ = 10265737 is a prime.

It is a super-3 number, since 3×10265865³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10265869) 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, 2524 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (1030968).

Almost surely, 2^10265865 is an apocalyptic number.

10265865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10265865 is a deficient number, since it is larger than the sum of its proper divisors (6229623).

10265865 is a wasteful number, since it uses less digits than its factorization.

10265865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 10265865 is about 3204.0388574423. The cubic root of 10265865 is about 217.3360900094.

The spelling of 10265865 in words is "ten million, two hundred sixty-five thousand, eight hundred sixty-five".