101365265 has 4 divisors (see below), whose sum is σ = 121638324. Its totient is φ = 81092208.

The previous prime is 101365259. The next prime is 101365267. The reversal of 101365265 is 562563101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562563101 = 2399 ⋅234499.

It can be written as a sum of positive squares in 2 ways, for example, as 69239041 + 32126224 = 8321^2 + 5668^2 .

It is a cyclic number.

It is not a de Polignac number, because 101365265 - 2¹⁶ = 101299729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101365267) 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 3 ways as a sum of consecutive naturals, for example, 10136522 + ... + 10136531.

It is an arithmetic number, because the mean of its divisors is an integer number (30409581).

Almost surely, 2^101365265 is an apocalyptic number.

It is an amenable number.

101365265 is a deficient number, since it is larger than the sum of its proper divisors (20273059).

101365265 is an equidigital number, since it uses as much as digits as its factorization.

101365265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20273058.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 101365265 is about 10068.0318334817. The cubic root of 101365265 is about 466.2616755624.

The spelling of 101365265 in words is "one hundred one million, three hundred sixty-five thousand, two hundred sixty-five".