531137941 has 2 divisors, whose sum is σ = 531137942. Its totient is φ = 531137940.

The previous prime is 531137939. The next prime is 531137947. The reversal of 531137941 is 149731135.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327248100 + 203889841 = 18090^2 + 14279^2 .

It is a cyclic number.

It is not a de Polignac number, because 531137941 - 2¹ = 531137939 is a prime.

Together with 531137939, it forms a pair of twin primes.

It is equal to p_27907216 and since 531137941 and 27907216 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 531137897 and 531137906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531137947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265568970 + 265568971.

It is an arithmetic number, because the mean of its divisors is an integer number (265568971).

Almost surely, 2^531137941 is an apocalyptic number.

It is an amenable number.

531137941 is a deficient number, since it is larger than the sum of its proper divisors (1).

531137941 is an equidigital number, since it uses as much as digits as its factorization.

531137941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 531137941 is about 23046.4301140112. The cubic root of 531137941 is about 809.8460007999.

The spelling of 531137941 in words is "five hundred thirty-one million, one hundred thirty-seven thousand, nine hundred forty-one".