2765317 has 4 divisors (see below), whose sum is σ = 2910880. Its totient is φ = 2619756.

The previous prime is 2765309. The next prime is 2765333. The reversal of 2765317 is 7135672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2765317 - 2³ = 2765309 is a prime.

It is a super-2 number, since 2×2765317² = 15293956220978, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 7³ + 6⁷ + 5⁹ + 3¹² + 1 + 7³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72753 + ... + 72790.

It is an arithmetic number, because the mean of its divisors is an integer number (727720).

2^2765317 is an apocalyptic number.

It is an amenable number.

2765317 is a deficient number, since it is larger than the sum of its proper divisors (145563).

2765317 is a wasteful number, since it uses less digits than its factorization.

2765317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145562.

The product of its digits is 8820, while the sum is 31.

The square root of 2765317 is about 1662.9242315872. The cubic root of 2765317 is about 140.3615992522.

The spelling of 2765317 in words is "two million, seven hundred sixty-five thousand, three hundred seventeen".