2312545 has 8 divisors (see below), whose sum is σ = 2800296. Its totient is φ = 1833216.

The previous prime is 2312539. The next prime is 2312573. The reversal of 2312545 is 5452132.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 2307361 = 72^2 + 1519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2312545 - 2¹⁹ = 1788257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (350037).

2^2312545 is an apocalyptic number.

It is an amenable number.

2312545 is a deficient number, since it is larger than the sum of its proper divisors (487751).

2312545 is a wasteful number, since it uses less digits than its factorization.

2312545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211.

The product of its digits is 1200, while the sum is 22.

The square root of 2312545 is about 1520.7054284114. The cubic root of 2312545 is about 132.2401695803.

Adding to 2312545 its reverse (5452132), we get a palindrome (7764677).

The spelling of 2312545 in words is "two million, three hundred twelve thousand, five hundred forty-five".