531960449 has 2 divisors, whose sum is σ = 531960450. Its totient is φ = 531960448.

The previous prime is 531960409. The next prime is 531960463. The reversal of 531960449 is 944069135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521300224 + 10660225 = 22832^2 + 3265^2 .

It is a cyclic number.

It is not a de Polignac number, because 531960449 - 2⁸ = 531960193 is a prime.

It is not a weakly prime, because it can be changed into another prime (531960409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265980224 + 265980225.

It is an arithmetic number, because the mean of its divisors is an integer number (265980225).

Almost surely, 2^531960449 is an apocalyptic number.

It is an amenable number.

531960449 is a deficient number, since it is larger than the sum of its proper divisors (1).

531960449 is an equidigital number, since it uses as much as digits as its factorization.

531960449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 531960449 is about 23064.2677967457. The cubic root of 531960449 is about 810.2638214954.

The spelling of 531960449 in words is "five hundred thirty-one million, nine hundred sixty thousand, four hundred forty-nine".