755009 has 2 divisors, whose sum is σ = 755010. Its totient is φ = 755008.

The previous prime is 754993. The next prime is 755033. The reversal of 755009 is 900557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418609 + 336400 = 647^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 755009 - 2⁴ = 754993 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (755309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377504 + 377505.

It is an arithmetic number, because the mean of its divisors is an integer number (377505).

2⁷⁵⁵⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

755009 is a deficient number, since it is larger than the sum of its proper divisors (1).

755009 is an equidigital number, since it uses as much as digits as its factorization.

755009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 755009 is about 868.9125387517. The cubic root of 755009 is about 91.0578467287.

The spelling of 755009 in words is "seven hundred fifty-five thousand, nine".