2307149 has 4 divisors (see below), whose sum is σ = 2484636. Its totient is φ = 2129664.

The previous prime is 2307139. The next prime is 2307157. The reversal of 2307149 is 9417032.

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 570025 + 1737124 = 755^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 2307149 - 2⁸ = 2306893 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2307119) 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, 88724 + ... + 88749.

It is an arithmetic number, because the mean of its divisors is an integer number (621159).

2^2307149 is an apocalyptic number.

It is an amenable number.

2307149 is a deficient number, since it is larger than the sum of its proper divisors (177487).

2307149 is a wasteful number, since it uses less digits than its factorization.

2307149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177486.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2307149 is about 1518.9302156452. The cubic root of 2307149 is about 132.1372348368.

The spelling of 2307149 in words is "two million, three hundred seven thousand, one hundred forty-nine".