2431057 has 4 divisors (see below), whose sum is σ = 2476980. Its totient is φ = 2385136.

The previous prime is 2431049. The next prime is 2431061. The reversal of 2431057 is 7501342.

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 1718721 + 712336 = 1311^2 + 844^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431057 - 2³ = 2431049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2431007) 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, 22882 + ... + 22987.

It is an arithmetic number, because the mean of its divisors is an integer number (619245).

2^2431057 is an apocalyptic number.

It is an amenable number.

2431057 is a deficient number, since it is larger than the sum of its proper divisors (45923).

2431057 is an equidigital number, since it uses as much as digits as its factorization.

2431057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45922.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2431057 is about 1559.1847228600. The cubic root of 2431057 is about 134.4616327596.

Adding to 2431057 its reverse (7501342), we get a palindrome (9932399).

The spelling of 2431057 in words is "two million, four hundred thirty-one thousand, fifty-seven".