4075457 has 4 divisors (see below), whose sum is σ = 4216020. Its totient is φ = 3934896.

The previous prime is 4075447. The next prime is 4075459. The reversal of 4075457 is 7545704.

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 839056 + 3236401 = 916^2 + 1799^2 .

It is a cyclic number.

It is not a de Polignac number, because 4075457 - 2¹⁶ = 4009921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4075459) 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, 70238 + ... + 70295.

It is an arithmetic number, because the mean of its divisors is an integer number (1054005).

Almost surely, 2^4075457 is an apocalyptic number.

It is an amenable number.

4075457 is a deficient number, since it is larger than the sum of its proper divisors (140563).

4075457 is a wasteful number, since it uses less digits than its factorization.

4075457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140562.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 4075457 is about 2018.7761143822. The cubic root of 4075457 is about 159.7320645876.

The spelling of 4075457 in words is "four million, seventy-five thousand, four hundred fifty-seven".