2057487 has 8 divisors (see below), whose sum is σ = 2776704. Its totient is φ = 1354968.

The previous prime is 2057483. The next prime is 2057537. The reversal of 2057487 is 7847502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2057487 - 2² = 2057483 is a prime.

It is a Smith number, since the sum of its digits (33) 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 not an unprimeable number, because it can be changed into a prime (2057483) 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 7 ways as a sum of consecutive naturals, for example, 3883 + ... + 4380.

It is an arithmetic number, because the mean of its divisors is an integer number (347088).

2^2057487 is an apocalyptic number.

2057487 is a deficient number, since it is larger than the sum of its proper divisors (719217).

2057487 is an equidigital number, since it uses as much as digits as its factorization.

2057487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8349.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 2057487 is about 1434.3942972558. The cubic root of 2057487 is about 127.1878716532.

The spelling of 2057487 in words is "two million, fifty-seven thousand, four hundred eighty-seven".