5740257 has 4 divisors (see below), whose sum is σ = 7653680. Its totient is φ = 3826836.

The previous prime is 5740253. The next prime is 5740277. The reversal of 5740257 is 7520475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5740257 - 2² = 5740253 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5740253) 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, 956707 + ... + 956712.

It is an arithmetic number, because the mean of its divisors is an integer number (1913420).

Almost surely, 2^5740257 is an apocalyptic number.

It is an amenable number.

5740257 is a deficient number, since it is larger than the sum of its proper divisors (1913423).

5740257 is a wasteful number, since it uses less digits than its factorization.

5740257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913422.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 5740257 is about 2395.8833444056. The cubic root of 5740257 is about 179.0511489961.

The spelling of 5740257 in words is "five million, seven hundred forty thousand, two hundred fifty-seven".