531707897 has 8 divisors (see below), whose sum is σ = 608750016. Its totient is φ = 454936752.

The previous prime is 531707893. The next prime is 531707899. The reversal of 531707897 is 798707135.

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 531707897 - 2² = 531707893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (531707893) 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, 63518 + ... + 71399.

It is an arithmetic number, because the mean of its divisors is an integer number (76093752).

Almost surely, 2^531707897 is an apocalyptic number.

It is an amenable number.

531707897 is a deficient number, since it is larger than the sum of its proper divisors (77042119).

531707897 is a wasteful number, since it uses less digits than its factorization.

531707897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135487.

The product of its (nonzero) digits is 370440, while the sum is 47.

The square root of 531707897 is about 23058.7921843274. The cubic root of 531707897 is about 810.1355750306.

The spelling of 531707897 in words is "five hundred thirty-one million, seven hundred seven thousand, eight hundred ninety-seven".