105529649 has 2 divisors, whose sum is σ = 105529650. Its totient is φ = 105529648.

The previous prime is 105529639. The next prime is 105529657. The reversal of 105529649 is 946925501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81126049 + 24403600 = 9007^2 + 4940^2 .

It is a cyclic number.

It is not a de Polignac number, because 105529649 - 2¹⁶ = 105464113 is a prime.

It is a super-2 number, since 2×105529649² = 22273013636126402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105529609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52764824 + 52764825.

It is an arithmetic number, because the mean of its divisors is an integer number (52764825).

Almost surely, 2^105529649 is an apocalyptic number.

It is an amenable number.

105529649 is a deficient number, since it is larger than the sum of its proper divisors (1).

105529649 is an equidigital number, since it uses as much as digits as its factorization.

105529649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 105529649 is about 10272.7624814360. The cubic root of 105529649 is about 472.5613130218.

The spelling of 105529649 in words is "one hundred five million, five hundred twenty-nine thousand, six hundred forty-nine".