2249651 has 4 divisors (see below), whose sum is σ = 2270400. Its totient is φ = 2228904.

The previous prime is 2249633. The next prime is 2249693. The reversal of 2249651 is 1569422.

It is a happy number.

2249651 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.

It is a cyclic number.

It is not a de Polignac number, because 2249651 - 2¹⁴ = 2233267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249251) 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, 10211 + ... + 10428.

It is an arithmetic number, because the mean of its divisors is an integer number (567600).

2^2249651 is an apocalyptic number.

2249651 is a deficient number, since it is larger than the sum of its proper divisors (20749).

2249651 is a wasteful number, since it uses less digits than its factorization.

2249651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20748.

The product of its digits is 4320, while the sum is 29.

The square root of 2249651 is about 1499.8836621552. The cubic root of 2249651 is about 131.0302942583.

The spelling of 2249651 in words is "two million, two hundred forty-nine thousand, six hundred fifty-one".