88233521 has 2 divisors, whose sum is σ = 88233522. Its totient is φ = 88233520.

The previous prime is 88233491. The next prime is 88233527. The reversal of 88233521 is 12533288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74580496 + 13653025 = 8636^2 + 3695^2 .

It is a cyclic number.

It is not a de Polignac number, because 88233521 - 2¹⁰ = 88232497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (88233527) 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, 44116760 + 44116761.

It is an arithmetic number, because the mean of its divisors is an integer number (44116761).

Almost surely, 2^88233521 is an apocalyptic number.

It is an amenable number.

88233521 is a deficient number, since it is larger than the sum of its proper divisors (1).

88233521 is an equidigital number, since it uses as much as digits as its factorization.

88233521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The square root of 88233521 is about 9393.2699844091. The cubic root of 88233521 is about 445.1891145863.

The spelling of 88233521 in words is "eighty-eight million, two hundred thirty-three thousand, five hundred twenty-one".