232521269 has 2 divisors, whose sum is σ = 232521270. Its totient is φ = 232521268.

The previous prime is 232521251. The next prime is 232521271. The reversal of 232521269 is 962125232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145323025 + 87198244 = 12055^2 + 9338^2 .

It is a cyclic number.

It is not a de Polignac number, because 232521269 - 2⁸ = 232521013 is a prime.

It is a super-2 number, since 2×232521269² = 108132281074740722, which contains 22 as substring.

Together with 232521271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232520269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116260634 + 116260635.

It is an arithmetic number, because the mean of its divisors is an integer number (116260635).

Almost surely, 2^232521269 is an apocalyptic number.

It is an amenable number.

232521269 is a deficient number, since it is larger than the sum of its proper divisors (1).

232521269 is an equidigital number, since it uses as much as digits as its factorization.

232521269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 232521269 is about 15248.6481040124. The cubic root of 232521269 is about 614.9232230592.

The spelling of 232521269 in words is "two hundred thirty-two million, five hundred twenty-one thousand, two hundred sixty-nine".