531267249 has 4 divisors (see below), whose sum is σ = 708356336. Its totient is φ = 354178164.

The previous prime is 531267229. The next prime is 531267251. The reversal of 531267249 is 942762135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 531267249 - 2⁸ = 531266993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531267229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88544539 + ... + 88544544.

It is an arithmetic number, because the mean of its divisors is an integer number (177089084).

Almost surely, 2^531267249 is an apocalyptic number.

It is an amenable number.

531267249 is a deficient number, since it is larger than the sum of its proper divisors (177089087).

531267249 is a wasteful number, since it uses less digits than its factorization.

531267249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177089086.

The product of its digits is 90720, while the sum is 39.

The square root of 531267249 is about 23049.2353235416. The cubic root of 531267249 is about 809.9117157247.

The spelling of 531267249 in words is "five hundred thirty-one million, two hundred sixty-seven thousand, two hundred forty-nine".