2182457 has 4 divisors (see below), whose sum is σ = 2196516. Its totient is φ = 2168400.

The previous prime is 2182451. The next prime is 2182489. The reversal of 2182457 is 7542812.

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 1229881 + 952576 = 1109^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 2182457 - 2⁴ = 2182441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2182451) 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, 6794 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (549129).

2^2182457 is an apocalyptic number.

It is an amenable number.

2182457 is a deficient number, since it is larger than the sum of its proper divisors (14059).

2182457 is a wasteful number, since it uses less digits than its factorization.

2182457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058.

The product of its digits is 4480, while the sum is 29.

The square root of 2182457 is about 1477.3141169027. The cubic root of 2182457 is about 129.7125205608.

The spelling of 2182457 in words is "two million, one hundred eighty-two thousand, four hundred fifty-seven".