2057494 has 4 divisors (see below), whose sum is σ = 3086244. Its totient is φ = 1028746.

The previous prime is 2057483. The next prime is 2057537. The reversal of 2057494 is 4947502.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514372 + ... + 514375.

It is an arithmetic number, because the mean of its divisors is an integer number (771561).

2^2057494 is an apocalyptic number.

2057494 is a deficient number, since it is larger than the sum of its proper divisors (1028750).

2057494 is a wasteful number, since it uses less digits than its factorization.

2057494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028749.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2057494 is about 1434.3967373081. The cubic root of 2057494 is about 127.1880158930.

The spelling of 2057494 in words is "two million, fifty-seven thousand, four hundred ninety-four".