4101649 has 4 divisors (see below), whose sum is σ = 4105764. Its totient is φ = 4097536.

The previous prime is 4101623. The next prime is 4101653. The reversal of 4101649 is 9461014.

4101649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3972049 + 129600 = 1993^2 + 360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4101649 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101679) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (1026441).

Almost surely, 2^4101649 is an apocalyptic number.

It is an amenable number.

4101649 is a deficient number, since it is larger than the sum of its proper divisors (4115).

4101649 is a wasteful number, since it uses less digits than its factorization.

4101649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 4101649 is about 2025.2528237235. The cubic root of 4101649 is about 160.0735208991.

The spelling of 4101649 in words is "four million, one hundred one thousand, six hundred forty-nine".