755399 has 2 divisors, whose sum is σ = 755400. Its totient is φ = 755398.

The previous prime is 755393. The next prime is 755401. The reversal of 755399 is 993557.

It is a strong prime.

It is an emirp because it is prime and its reverse (993557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 755399 - 2⁸ = 755143 is a prime.

It is a Sophie Germain prime.

Together with 755401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377699 + 377700.

It is an arithmetic number, because the mean of its divisors is an integer number (377700).

2⁷⁵⁵³⁹⁹ is an apocalyptic number.

755399 is a deficient number, since it is larger than the sum of its proper divisors (1).

755399 is an equidigital number, since it uses as much as digits as its factorization.

755399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42525, while the sum is 38.

The square root of 755399 is about 869.1369282225. The cubic root of 755399 is about 91.0735226775.

It can be divided in two parts, 7553 and 99, that multiplied together give a palindrome (747747).

The spelling of 755399 in words is "seven hundred fifty-five thousand, three hundred ninety-nine".