531506049 has 8 divisors (see below), whose sum is σ = 714255360. Its totient is φ = 351547056.

The previous prime is 531506047. The next prime is 531506051. The reversal of 531506049 is 940605135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (531506047) and next prime (531506051).

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

It is not a de Polignac number, because 531506049 - 2¹ = 531506047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (531506047) 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, 697134 + ... + 697895.

It is an arithmetic number, because the mean of its divisors is an integer number (89281920).

Almost surely, 2^531506049 is an apocalyptic number.

It is an amenable number.

531506049 is a deficient number, since it is larger than the sum of its proper divisors (182749311).

531506049 is a wasteful number, since it uses less digits than its factorization.

531506049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395159.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 531506049 is about 23054.4149567930. The cubic root of 531506049 is about 810.0330469675.

The spelling of 531506049 in words is "five hundred thirty-one million, five hundred six thousand, forty-nine".