755531489 has 2 divisors, whose sum is σ = 755531490. Its totient is φ = 755531488.

The previous prime is 755531479. The next prime is 755531549. The reversal of 755531489 is 984135557.

755531489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720009889 + 35521600 = 26833^2 + 5960^2 .

It is a cyclic number.

It is not a de Polignac number, because 755531489 - 2⁸ = 755531233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (755531449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377765744 + 377765745.

It is an arithmetic number, because the mean of its divisors is an integer number (377765745).

Almost surely, 2^755531489 is an apocalyptic number.

It is an amenable number.

755531489 is a deficient number, since it is larger than the sum of its proper divisors (1).

755531489 is an equidigital number, since it uses as much as digits as its factorization.

755531489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 47.

The square root of 755531489 is about 27486.9330591829. The cubic root of 755531489 is about 910.7884681069.

The spelling of 755531489 in words is "seven hundred fifty-five million, five hundred thirty-one thousand, four hundred eighty-nine".