10405265 has 8 divisors (see below), whose sum is σ = 13446888. Its totient is φ = 7683840.

The previous prime is 10405261. The next prime is 10405271. The reversal of 10405265 is 56250401.

10405265 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2362369 + 8042896 = 1537^2 + 2836^2 .

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

It is not a de Polignac number, because 10405265 - 2² = 10405261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10405265.

It is not an unprimeable number, because it can be changed into a prime (10405261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79976 + ... + 80105.

It is an arithmetic number, because the mean of its divisors is an integer number (1680861).

Almost surely, 2^10405265 is an apocalyptic number.

It is an amenable number.

10405265 is a deficient number, since it is larger than the sum of its proper divisors (3041623).

10405265 is a wasteful number, since it uses less digits than its factorization.

10405265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160099.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10405265 is about 3225.7192996292. The cubic root of 10405265 is about 218.3154049079.

Adding to 10405265 its reverse (56250401), we get a palindrome (66655666).

It can be divided in two parts, 1040 and 5265, that multiplied together give a square (5475600 = 2340²).

The spelling of 10405265 in words is "ten million, four hundred five thousand, two hundred sixty-five".