2312045 has 4 divisors (see below), whose sum is σ = 2774460. Its totient is φ = 1849632.

The previous prime is 2312027. The next prime is 2312069. The reversal of 2312045 is 5402132.

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 1841449 + 470596 = 1357^2 + 686^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312045 - 2¹⁰ = 2311021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231200 + ... + 231209.

It is an arithmetic number, because the mean of its divisors is an integer number (693615).

2^2312045 is an apocalyptic number.

It is an amenable number.

2312045 is a deficient number, since it is larger than the sum of its proper divisors (462415).

2312045 is an equidigital number, since it uses as much as digits as its factorization.

2312045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462414.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2312045 is about 1520.5410221365. The cubic root of 2312045 is about 132.2306382558.

Adding to 2312045 its reverse (5402132), we get a palindrome (7714177).

It can be divided in two parts, 23120 and 45, that multiplied together give a square (1040400 = 1020²).

The spelling of 2312045 in words is "two million, three hundred twelve thousand, forty-five".