269055557 has 2 divisors, whose sum is σ = 269055558. Its totient is φ = 269055556.

The previous prime is 269055503. The next prime is 269055581. The reversal of 269055557 is 755550962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243391201 + 25664356 = 15601^2 + 5066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-269055557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269055757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134527778 + 134527779.

It is an arithmetic number, because the mean of its divisors is an integer number (134527779).

Almost surely, 2^269055557 is an apocalyptic number.

It is an amenable number.

269055557 is a deficient number, since it is larger than the sum of its proper divisors (1).

269055557 is an equidigital number, since it uses as much as digits as its factorization.

269055557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472500, while the sum is 44.

The square root of 269055557 is about 16402.9130644529. The cubic root of 269055557 is about 645.5759189177.

The spelling of 269055557 in words is "two hundred sixty-nine million, fifty-five thousand, five hundred fifty-seven".