2750057 has 4 divisors (see below), whose sum is σ = 2764500. Its totient is φ = 2735616.

The previous prime is 2750053. The next prime is 2750071. The reversal of 2750057 is 7500572.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1336336 + 1413721 = 1156^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750057 - 2² = 2750053 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2750053) 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 in 3 ways as a sum of consecutive naturals, for example, 6932 + ... + 7317.

It is an arithmetic number, because the mean of its divisors is an integer number (691125).

2^2750057 is an apocalyptic number.

It is an amenable number.

2750057 is a deficient number, since it is larger than the sum of its proper divisors (14443).

2750057 is a wasteful number, since it uses less digits than its factorization.

2750057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14442.

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 2750057 is about 1658.3295812353. The cubic root of 2750057 is about 140.1029345033.

The spelling of 2750057 in words is "two million, seven hundred fifty thousand, fifty-seven".