2355149 has 4 divisors (see below), whose sum is σ = 2393820. Its totient is φ = 2316480.

The previous prime is 2355139. The next prime is 2355151. The reversal of 2355149 is 9415532.

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 310249 + 2044900 = 557^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2355149 - 2¹² = 2351053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355109) 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, 19244 + ... + 19365.

It is an arithmetic number, because the mean of its divisors is an integer number (598455).

2^2355149 is an apocalyptic number.

It is an amenable number.

2355149 is a deficient number, since it is larger than the sum of its proper divisors (38671).

2355149 is an equidigital number, since it uses as much as digits as its factorization.

2355149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38670.

The product of its digits is 5400, while the sum is 29.

The square root of 2355149 is about 1534.6494713777. The cubic root of 2355149 is about 133.0473195484.

The spelling of 2355149 in words is "two million, three hundred fifty-five thousand, one hundred forty-nine".