2042757 has 12 divisors (see below), whose sum is σ = 3001440. Its totient is φ = 1338408.

The previous prime is 2042753. The next prime is 2042767. The reversal of 2042757 is 7572402.

It is not a de Polignac number, because 2042757 - 2² = 2042753 is a prime.

It is a super-2 number, since 2×2042757² = 8345712322098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2042757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1393 + ... + 2454.

It is an arithmetic number, because the mean of its divisors is an integer number (250120).

2^2042757 is an apocalyptic number.

It is an amenable number.

2042757 is a deficient number, since it is larger than the sum of its proper divisors (958683).

2042757 is a wasteful number, since it uses less digits than its factorization.

2042757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2042757 is about 1429.2505028860. The cubic root of 2042757 is about 126.8836224899.

The spelling of 2042757 in words is "two million, forty-two thousand, seven hundred fifty-seven".