531210049 has 2 divisors, whose sum is σ = 531210050. Its totient is φ = 531210048.

The previous prime is 531209957. The next prime is 531210061. The reversal of 531210049 is 940012135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530841600 + 368449 = 23040^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 531210049 - 2⁹ = 531209537 is a prime.

It is not a weakly prime, because it can be changed into another prime (531210349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265605024 + 265605025.

It is an arithmetic number, because the mean of its divisors is an integer number (265605025).

Almost surely, 2^531210049 is an apocalyptic number.

It is an amenable number.

531210049 is a deficient number, since it is larger than the sum of its proper divisors (1).

531210049 is an equidigital number, since it uses as much as digits as its factorization.

531210049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 531210049 is about 23047.9944680660. The cubic root of 531210049 is about 809.8826477350.

The spelling of 531210049 in words is "five hundred thirty-one million, two hundred ten thousand, forty-nine".