4057049 has 4 divisors (see below), whose sum is σ = 4123620. Its totient is φ = 3990480.

The previous prime is 4057043. The next prime is 4057061. The reversal of 4057049 is 9407504.

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 1607824 + 2449225 = 1268^2 + 1565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4057049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4057043) 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, 33194 + ... + 33315.

It is an arithmetic number, because the mean of its divisors is an integer number (1030905).

Almost surely, 2^4057049 is an apocalyptic number.

It is an amenable number.

4057049 is a deficient number, since it is larger than the sum of its proper divisors (66571).

4057049 is an equidigital number, since it uses as much as digits as its factorization.

4057049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66570.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 4057049 is about 2014.2117564943. The cubic root of 4057049 is about 159.4912093110.

The spelling of 4057049 in words is "four million, fifty-seven thousand, forty-nine".