509265097 has 8 divisors (see below), whose sum is σ = 557615232. Its totient is φ = 461257200.

The previous prime is 509265089. The next prime is 509265101. The reversal of 509265097 is 790562905.

It is a happy number.

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 509265097 - 2³ = 509265089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509265007) 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, 82438 + ... + 88399.

It is an arithmetic number, because the mean of its divisors is an integer number (69701904).

Almost surely, 2^509265097 is an apocalyptic number.

It is an amenable number.

509265097 is a deficient number, since it is larger than the sum of its proper divisors (48350135).

509265097 is a wasteful number, since it uses less digits than its factorization.

509265097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171119.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 509265097 is about 22566.9026895584. The cubic root of 509265097 is about 798.5730275546.

The spelling of 509265097 in words is "five hundred nine million, two hundred sixty-five thousand, ninety-seven".