2130426257 has 2 divisors, whose sum is σ = 2130426258. Its totient is φ = 2130426256.

The previous prime is 2130426253. The next prime is 2130426289. The reversal of 2130426257 is 7526240312.

It is an a-pointer prime, because the next prime (2130426289) can be obtained adding 2130426257 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098988801 + 1031437456 = 33151^2 + 32116^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130426257 - 2² = 2130426253 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130426253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065213128 + 1065213129.

It is an arithmetic number, because the mean of its divisors is an integer number (1065213129).

Almost surely, 2^2130426257 is an apocalyptic number.

It is an amenable number.

2130426257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130426257 is an equidigital number, since it uses as much as digits as its factorization.

2130426257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2130426257 is about 46156.5407824287. The cubic root of 2130426257 is about 1286.7341738036.

Adding to 2130426257 its reverse (7526240312), we get a palindrome (9656666569).

The spelling of 2130426257 in words is "two billion, one hundred thirty million, four hundred twenty-six thousand, two hundred fifty-seven".