2320651 has 2 divisors, whose sum is σ = 2320652. Its totient is φ = 2320650.

The previous prime is 2320649. The next prime is 2320657. The reversal of 2320651 is 1560232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320651 - 2¹ = 2320649 is a prime.

Together with 2320649, it forms a pair of twin primes.

It is equal to p₁₇₀₉₀₂ and since 2320651 and 170902 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2320657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160325 + 1160326.

It is an arithmetic number, because the mean of its divisors is an integer number (1160326).

2^2320651 is an apocalyptic number.

2320651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320651 is an equidigital number, since it uses as much as digits as its factorization.

2320651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2320651 is about 1523.3683074030. The cubic root of 2320651 is about 132.3945000956.

Adding to 2320651 its reverse (1560232), we get a palindrome (3880883).

The spelling of 2320651 in words is "two million, three hundred twenty thousand, six hundred fifty-one".