10249665 has 16 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 5417216.

The previous prime is 10249663. The next prime is 10249669. The reversal of 10249665 is 56694201.

It is a cyclic number.

It is not a de Polignac number, because 10249665 - 2¹ = 10249663 is a prime.

It is a super-2 number, since 2×10249665² = 210111265224450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10249663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329 + ... + 4718.

It is an arithmetic number, because the mean of its divisors is an integer number (1034208).

Almost surely, 2^10249665 is an apocalyptic number.

10249665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10249665 is a deficient number, since it is larger than the sum of its proper divisors (6297663).

10249665 is a wasteful number, since it uses less digits than its factorization.

10249665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 10249665 is about 3201.5098000787. The cubic root of 10249665 is about 217.2217077565.

The spelling of 10249665 in words is "ten million, two hundred forty-nine thousand, six hundred sixty-five".