755032489 has 2 divisors, whose sum is σ = 755032490. Its totient is φ = 755032488.

The previous prime is 755032433. The next prime is 755032493. The reversal of 755032489 is 984230557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 750760000 + 4272489 = 27400^2 + 2067^2 .

It is a cyclic number.

It is not a de Polignac number, because 755032489 - 2⁷ = 755032361 is a prime.

It is not a weakly prime, because it can be changed into another prime (755072489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377516244 + 377516245.

It is an arithmetic number, because the mean of its divisors is an integer number (377516245).

Almost surely, 2^755032489 is an apocalyptic number.

It is an amenable number.

755032489 is a deficient number, since it is larger than the sum of its proper divisors (1).

755032489 is an equidigital number, since it uses as much as digits as its factorization.

755032489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 755032489 is about 27477.8545195945. The cubic root of 755032489 is about 910.5879101574.

The spelling of 755032489 in words is "seven hundred fifty-five million, thirty-two thousand, four hundred eighty-nine".