100260065 has 4 divisors (see below), whose sum is σ = 120312084. Its totient is φ = 80208048.

The previous prime is 100260029. The next prime is 100260077. The reversal of 100260065 is 560062001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560062001 = 1409 ⋅397489.

It can be written as a sum of positive squares in 2 ways, for example, as 48664576 + 51595489 = 6976^2 + 7183^2 .

It is a cyclic number.

It is not a de Polignac number, because 100260065 - 2⁶ = 100260001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10026002 + ... + 10026011.

It is an arithmetic number, because the mean of its divisors is an integer number (30078021).

Almost surely, 2^100260065 is an apocalyptic number.

It is an amenable number.

100260065 is a deficient number, since it is larger than the sum of its proper divisors (20052019).

100260065 is an equidigital number, since it uses as much as digits as its factorization.

100260065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20052018.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 100260065 is about 10012.9948067499. The cubic root of 100260065 is about 464.5609066551.

The spelling of 100260065 in words is "one hundred million, two hundred sixty thousand, sixty-five".