2765457 has 6 divisors (see below), whose sum is σ = 3994562. Its totient is φ = 1843632.

The previous prime is 2765453. The next prime is 2765461. The reversal of 2765457 is 7545672.

It is an interprime number because it is at equal distance from previous prime (2765453) and next prime (2765461).

It can be written as a sum of positive squares in only one way, i.e., 2099601 + 665856 = 1449^2 + 816^2 .

It is not a de Polignac number, because 2765457 - 2² = 2765453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2765453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153628 + ... + 153645.

2^2765457 is an apocalyptic number.

It is an amenable number.

2765457 is a deficient number, since it is larger than the sum of its proper divisors (1229105).

2765457 is a wasteful number, since it uses less digits than its factorization.

2765457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307279 (or 307276 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 2765457 is about 1662.9663255761. The cubic root of 2765457 is about 140.3639679128.

The spelling of 2765457 in words is "two million, seven hundred sixty-five thousand, four hundred fifty-seven".