509002741 has 8 divisors (see below), whose sum is σ = 561527064. Its totient is φ = 458388480.

The previous prime is 509002717. The next prime is 509002757. The reversal of 509002741 is 147200905.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33108516 + 475894225 = 5754^2 + 21815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 509002741 - 2²¹ = 506905589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509002541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476956 + ... + 478021.

It is an arithmetic number, because the mean of its divisors is an integer number (70190883).

Almost surely, 2^509002741 is an apocalyptic number.

It is an amenable number.

509002741 is a deficient number, since it is larger than the sum of its proper divisors (52524323).

509002741 is a wasteful number, since it uses less digits than its factorization.

509002741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955031.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 509002741 is about 22561.0890916197. The cubic root of 509002741 is about 798.4358714747.

The spelling of 509002741 in words is "five hundred nine million, two thousand, seven hundred forty-one".