2320557 has 8 divisors (see below), whose sum is σ = 3101280. Its totient is φ = 1543440.

The previous prime is 2320553. The next prime is 2320579. The reversal of 2320557 is 7550232.

2320557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2320557 - 2² = 2320553 is a prime.

2320557 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582 + ... + 2672.

It is an arithmetic number, because the mean of its divisors is an integer number (387660).

2^2320557 is an apocalyptic number.

It is an amenable number.

2320557 is a deficient number, since it is larger than the sum of its proper divisors (780723).

2320557 is a wasteful number, since it uses less digits than its factorization.

2320557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 2320557 is about 1523.3374544073. The cubic root of 2320557 is about 132.3927124864.

Adding to 2320557 its reverse (7550232), we get a palindrome (9870789).

The spelling of 2320557 in words is "two million, three hundred twenty thousand, five hundred fifty-seven".