531363541 has 2 divisors, whose sum is σ = 531363542. Its totient is φ = 531363540.

The previous prime is 531363523. The next prime is 531363583. The reversal of 531363541 is 145363135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395174641 + 136188900 = 19879^2 + 11670^2 .

It is a cyclic number.

It is not a de Polignac number, because 531363541 - 2⁹ = 531363029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531363241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265681770 + 265681771.

It is an arithmetic number, because the mean of its divisors is an integer number (265681771).

Almost surely, 2^531363541 is an apocalyptic number.

It is an amenable number.

531363541 is a deficient number, since it is larger than the sum of its proper divisors (1).

531363541 is an equidigital number, since it uses as much as digits as its factorization.

531363541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 31.

The square root of 531363541 is about 23051.3240617540. The cubic root of 531363541 is about 809.9606448389.

The spelling of 531363541 in words is "five hundred thirty-one million, three hundred sixty-three thousand, five hundred forty-one".