1375343051 has 2 divisors, whose sum is σ = 1375343052. Its totient is φ = 1375343050.

The previous prime is 1375343023. The next prime is 1375343083. The reversal of 1375343051 is 1503435731.

It is an a-pointer prime, because the next prime (1375343083) can be obtained adding 1375343051 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375343051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375342999 and 1375343017.

It is not a weakly prime, because it can be changed into another prime (1375303051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687671525 + 687671526.

It is an arithmetic number, because the mean of its divisors is an integer number (687671526).

Almost surely, 2^1375343051 is an apocalyptic number.

1375343051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375343051 is an equidigital number, since it uses as much as digits as its factorization.

1375343051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 1375343051 is about 37085.6178457364. The cubic root of 1375343051 is about 1112.0825150003.

Adding to 1375343051 its reverse (1503435731), we get a palindrome (2878778782).

The spelling of 1375343051 in words is "one billion, three hundred seventy-five million, three hundred forty-three thousand, fifty-one".