741509 has 2 divisors, whose sum is σ = 741510. Its totient is φ = 741508.

The previous prime is 741493. The next prime is 741541. The reversal of 741509 is 905147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 77284 = 815^2 + 278^2 .

It is an emirp because it is prime and its reverse (905147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 741509 - 2⁴ = 741493 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (741569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370754 + 370755.

It is an arithmetic number, because the mean of its divisors is an integer number (370755).

2⁷⁴¹⁵⁰⁹ is an apocalyptic number.

It is an amenable number.

741509 is a deficient number, since it is larger than the sum of its proper divisors (1).

741509 is an equidigital number, since it uses as much as digits as its factorization.

741509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 741509 is about 861.1091684566. The cubic root of 741509 is about 90.5118570588.

The spelling of 741509 in words is "seven hundred forty-one thousand, five hundred nine".