2775002 has 4 divisors (see below), whose sum is σ = 4162506. Its totient is φ = 1387500.

The previous prime is 2775001. The next prime is 2775011. The reversal of 2775002 is 2005772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1792921 + 982081 = 1339^2 + 991^2 .

It is a super-2 number, since 2×2775002² = 15401272200008, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2775001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693749 + ... + 693752.

2^2775002 is an apocalyptic number.

2775002 is a deficient number, since it is larger than the sum of its proper divisors (1387504).

2775002 is a wasteful number, since it uses less digits than its factorization.

2775002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387503.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 2775002 is about 1665.8337251959. The cubic root of 2775002 is about 140.5252716453.

The spelling of 2775002 in words is "two million, seven hundred seventy-five thousand, two".