2320170551 has 2 divisors, whose sum is σ = 2320170552. Its totient is φ = 2320170550.

The previous prime is 2320170547. The next prime is 2320170571. The reversal of 2320170551 is 1550710232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2320170551 - 2² = 2320170547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2320170551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320170571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160085275 + 1160085276.

It is an arithmetic number, because the mean of its divisors is an integer number (1160085276).

Almost surely, 2^2320170551 is an apocalyptic number.

2320170551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320170551 is an equidigital number, since it uses as much as digits as its factorization.

2320170551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2320170551 is about 48168.1487188370. The cubic root of 2320170551 is about 1323.8536283258.

Adding to 2320170551 its reverse (1550710232), we get a palindrome (3870880783).

The spelling of 2320170551 in words is "two billion, three hundred twenty million, one hundred seventy thousand, five hundred fifty-one".