531197429 has 8 divisors (see below), whose sum is σ = 618537600. Its totient is φ = 446720976.

The previous prime is 531197423. The next prime is 531197449. The reversal of 531197429 is 924791135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531197429 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 (531197423) 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, 715529 + ... + 716270.

It is an arithmetic number, because the mean of its divisors is an integer number (77317200).

Almost surely, 2^531197429 is an apocalyptic number.

It is an amenable number.

531197429 is a deficient number, since it is larger than the sum of its proper divisors (87340171).

531197429 is a wasteful number, since it uses less digits than its factorization.

531197429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431859.

The product of its digits is 68040, while the sum is 41.

The square root of 531197429 is about 23047.7206899077. The cubic root of 531197429 is about 809.8762342017.

The spelling of 531197429 in words is "five hundred thirty-one million, one hundred ninety-seven thousand, four hundred twenty-nine".