2249129 has 4 divisors (see below), whose sum is σ = 2265684. Its totient is φ = 2232576.

The previous prime is 2249113. The next prime is 2249141. The reversal of 2249129 is 9219422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 1317904 = 965^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249129 - 2⁴ = 2249113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2249179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8072 + ... + 8345.

It is an arithmetic number, because the mean of its divisors is an integer number (566421).

2^2249129 is an apocalyptic number.

It is an amenable number.

2249129 is a deficient number, since it is larger than the sum of its proper divisors (16555).

2249129 is a wasteful number, since it uses less digits than its factorization.

2249129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16554.

The product of its digits is 2592, while the sum is 29.

The square root of 2249129 is about 1499.7096385634. The cubic root of 2249129 is about 131.0201588929.

The spelling of 2249129 in words is "two million, two hundred forty-nine thousand, one hundred twenty-nine".