529261121 has 2 divisors, whose sum is σ = 529261122. Its totient is φ = 529261120.

The previous prime is 529261081. The next prime is 529261129. The reversal of 529261121 is 121162925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529000000 + 261121 = 23000^2 + 511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-529261121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (529261129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264630560 + 264630561.

It is an arithmetic number, because the mean of its divisors is an integer number (264630561).

Almost surely, 2^529261121 is an apocalyptic number.

It is an amenable number.

529261121 is a deficient number, since it is larger than the sum of its proper divisors (1).

529261121 is an equidigital number, since it uses as much as digits as its factorization.

529261121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 529261121 is about 23005.6758431479. The cubic root of 529261121 is about 808.8909890230.

It can be divided in two parts, 529 and 261121, that multiplied together give a square (138133009 = 11753²).

The spelling of 529261121 in words is "five hundred twenty-nine million, two hundred sixty-one thousand, one hundred twenty-one".