1375712251 has 2 divisors, whose sum is σ = 1375712252. Its totient is φ = 1375712250.

The previous prime is 1375712183. The next prime is 1375712269. The reversal of 1375712251 is 1522175731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1375712251 - 2⁷ = 1375712123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1375712551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687856125 + 687856126.

It is an arithmetic number, because the mean of its divisors is an integer number (687856126).

Almost surely, 2^1375712251 is an apocalyptic number.

1375712251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375712251 is an equidigital number, since it uses as much as digits as its factorization.

1375712251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700, while the sum is 34.

The square root of 1375712251 is about 37090.5951826066. The cubic root of 1375712251 is about 1112.1820160255.

Adding to 1375712251 its reverse (1522175731), we get a palindrome (2897887982).

The spelling of 1375712251 in words is "one billion, three hundred seventy-five million, seven hundred twelve thousand, two hundred fifty-one".