2320621351 has 4 divisors (see below), whose sum is σ = 2321647272. Its totient is φ = 2319595432.

The previous prime is 2320621339. The next prime is 2320621399. The reversal of 2320621351 is 1531260232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2320621351 - 2⁹ = 2320620839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320621321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509560 + ... + 514093.

It is an arithmetic number, because the mean of its divisors is an integer number (580411818).

Almost surely, 2^2320621351 is an apocalyptic number.

2320621351 is a deficient number, since it is larger than the sum of its proper divisors (1025921).

2320621351 is a wasteful number, since it uses less digits than its factorization.

2320621351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025920.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2320621351 is about 48172.8279323521. The cubic root of 2320621351 is about 1323.9393626221.

Adding to 2320621351 its reverse (1531260232), we get a palindrome (3851881583).

The spelling of 2320621351 in words is "two billion, three hundred twenty million, six hundred twenty-one thousand, three hundred fifty-one".