506897291 has 8 divisors (see below), whose sum is σ = 509611920. Its totient is φ = 504188928.

The previous prime is 506897263. The next prime is 506897311. The reversal of 506897291 is 192798605.

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 506897291 - 2¹⁰ = 506896267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506897221) 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, 289280 + ... + 291026.

It is an arithmetic number, because the mean of its divisors is an integer number (63701490).

Almost surely, 2^506897291 is an apocalyptic number.

506897291 is a deficient number, since it is larger than the sum of its proper divisors (2714629).

506897291 is a wasteful number, since it uses less digits than its factorization.

506897291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 506897291 is about 22514.3796494596. The cubic root of 506897291 is about 797.3334608992. Note that the first 3 decimals are identical.

The spelling of 506897291 in words is "five hundred six million, eight hundred ninety-seven thousand, two hundred ninety-one".