2130066251 has 2 divisors, whose sum is σ = 2130066252. Its totient is φ = 2130066250.

The previous prime is 2130066247. The next prime is 2130066287. The reversal of 2130066251 is 1526600312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130066251 - 2² = 2130066247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2130066251.

It is not a weakly prime, because it can be changed into another prime (2130066151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065033125 + 1065033126.

It is an arithmetic number, because the mean of its divisors is an integer number (1065033126).

Almost surely, 2^2130066251 is an apocalyptic number.

2130066251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130066251 is an equidigital number, since it uses as much as digits as its factorization.

2130066251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2130066251 is about 46152.6407803497. The cubic root of 2130066251 is about 1286.6616909508.

Adding to 2130066251 its reverse (1526600312), we get a palindrome (3656666563).

The spelling of 2130066251 in words is "two billion, one hundred thirty million, sixty-six thousand, two hundred fifty-one".