531514997 has 4 divisors (see below), whose sum is σ = 572400780. Its totient is φ = 490629216.

The previous prime is 531514969. The next prime is 531515041. The reversal of 531514997 is 799415135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 206037316 + 325477681 = 14354^2 + 18041^2 .

It is a cyclic number.

It is not a de Polignac number, because 531514997 - 2¹² = 531510901 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 (531514097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20442872 + ... + 20442897.

It is an arithmetic number, because the mean of its divisors is an integer number (143100195).

Almost surely, 2^531514997 is an apocalyptic number.

It is an amenable number.

531514997 is a deficient number, since it is larger than the sum of its proper divisors (40885783).

531514997 is a wasteful number, since it uses less digits than its factorization.

531514997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40885782.

The product of its digits is 170100, while the sum is 44.

The square root of 531514997 is about 23054.6090185889. The cubic root of 531514997 is about 810.0375926261.

The spelling of 531514997 in words is "five hundred thirty-one million, five hundred fourteen thousand, nine hundred ninety-seven".