2321507 has 2 divisors, whose sum is σ = 2321508. Its totient is φ = 2321506.

The previous prime is 2321443. The next prime is 2321509. The reversal of 2321507 is 7051232.

2321507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2321507 - 2⁶ = 2321443 is a prime.

Together with 2321509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2321509) 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 as a sum of consecutive naturals, namely, 1160753 + 1160754.

It is an arithmetic number, because the mean of its divisors is an integer number (1160754).

2^2321507 is an apocalyptic number.

2321507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321507 is an equidigital number, since it uses as much as digits as its factorization.

2321507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2321507 is about 1523.6492378497. The cubic root of 2321507 is about 132.4107765284.

Adding to 2321507 its reverse (7051232), we get a palindrome (9372739).

The spelling of 2321507 in words is "two million, three hundred twenty-one thousand, five hundred seven".