1375198417 has 2 divisors, whose sum is σ = 1375198418. Its totient is φ = 1375198416.

The previous prime is 1375198411. The next prime is 1375198421. The reversal of 1375198417 is 7148915731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994519296 + 380679121 = 31536^2 + 19511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375198417 - 2¹⁹ = 1374674129 is a prime.

It is a super-2 number, since 2×1375198417² = 3782341372238611778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1375198411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687599208 + 687599209.

It is an arithmetic number, because the mean of its divisors is an integer number (687599209).

Almost surely, 2^1375198417 is an apocalyptic number.

It is an amenable number.

1375198417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375198417 is an equidigital number, since it uses as much as digits as its factorization.

1375198417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 46.

The square root of 1375198417 is about 37083.6677932483. The cubic root of 1375198417 is about 1112.0435306463.

The spelling of 1375198417 in words is "one billion, three hundred seventy-five million, one hundred ninety-eight thousand, four hundred seventeen".