537081469 has 2 divisors, whose sum is σ = 537081470. Its totient is φ = 537081468.

The previous prime is 537081443. The next prime is 537081497. The reversal of 537081469 is 964180735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501536025 + 35545444 = 22395^2 + 5962^2 .

It is a cyclic number.

It is not a de Polignac number, because 537081469 - 2⁵ = 537081437 is a prime.

It is a super-2 number, since 2×537081469² = 576913008686395922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537081439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268540734 + 268540735.

It is an arithmetic number, because the mean of its divisors is an integer number (268540735).

Almost surely, 2^537081469 is an apocalyptic number.

It is an amenable number.

537081469 is a deficient number, since it is larger than the sum of its proper divisors (1).

537081469 is an equidigital number, since it uses as much as digits as its factorization.

537081469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 537081469 is about 23175.0182092701. The cubic root of 537081469 is about 812.8555762473.

The spelling of 537081469 in words is "five hundred thirty-seven million, eighty-one thousand, four hundred sixty-nine".