101505449 has 2 divisors, whose sum is σ = 101505450. Its totient is φ = 101505448.

The previous prime is 101505421. The next prime is 101505461. The reversal of 101505449 is 944505101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98505625 + 2999824 = 9925^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 101505449 - 2²⁴ = 84728233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101504449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50752724 + 50752725.

It is an arithmetic number, because the mean of its divisors is an integer number (50752725).

Almost surely, 2^101505449 is an apocalyptic number.

It is an amenable number.

101505449 is a deficient number, since it is larger than the sum of its proper divisors (1).

101505449 is an equidigital number, since it uses as much as digits as its factorization.

101505449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 101505449 is about 10074.9912655049. The cubic root of 101505449 is about 466.4765168057.

The spelling of 101505449 in words is "one hundred one million, five hundred five thousand, four hundred forty-nine".