1375019 has 2 divisors, whose sum is σ = 1375020. Its totient is φ = 1375018.

The previous prime is 1375013. The next prime is 1375021. The reversal of 1375019 is 9105731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1375019 is a prime.

It is a super-2 number, since 2×1375019² = 3781354500722, which contains 22 as substring.

Together with 1375021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1375013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687509 + 687510.

It is an arithmetic number, because the mean of its divisors is an integer number (687510).

2^1375019 is an apocalyptic number.

1375019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375019 is an equidigital number, since it uses as much as digits as its factorization.

1375019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1375019 is about 1172.6120415551. The cubic root of 1375019 is about 111.1995167155.

The spelling of 1375019 in words is "one million, three hundred seventy-five thousand, nineteen".