91052329 has 2 divisors, whose sum is σ = 91052330. Its totient is φ = 91052328.

The previous prime is 91052327. The next prime is 91052359. The reversal of 91052329 is 92325019.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87385104 + 3667225 = 9348^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 91052329 - 2¹ = 91052327 is a prime.

Together with 91052327, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 91052329.

It is not a weakly prime, because it can be changed into another prime (91052327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45526164 + 45526165.

It is an arithmetic number, because the mean of its divisors is an integer number (45526165).

Almost surely, 2^91052329 is an apocalyptic number.

It is an amenable number.

91052329 is a deficient number, since it is larger than the sum of its proper divisors (1).

91052329 is an equidigital number, since it uses as much as digits as its factorization.

91052329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 91052329 is about 9542.1344048384. The cubic root of 91052329 is about 449.8803451414.

The spelling of 91052329 in words is "ninety-one million, fifty-two thousand, three hundred twenty-nine".