101601449 has 2 divisors, whose sum is σ = 101601450. Its totient is φ = 101601448.

The previous prime is 101601427. The next prime is 101601457. The reversal of 101601449 is 944106101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100861849 + 739600 = 10043^2 + 860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101601449 is a prime.

It is not a weakly prime, because it can be changed into another prime (101601499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50800724 + 50800725.

It is an arithmetic number, because the mean of its divisors is an integer number (50800725).

Almost surely, 2^101601449 is an apocalyptic number.

It is an amenable number.

101601449 is a deficient number, since it is larger than the sum of its proper divisors (1).

101601449 is an equidigital number, since it uses as much as digits as its factorization.

101601449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 101601449 is about 10079.7544116908. The cubic root of 101601449 is about 466.6235290625.

The spelling of 101601449 in words is "one hundred one million, six hundred one thousand, four hundred forty-nine".