2564312 has 8 divisors (see below), whose sum is σ = 4808100. Its totient is φ = 1282152.

The previous prime is 2564279. The next prime is 2564321. The reversal of 2564312 is 2134652.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160262 + ... + 160277.

2^2564312 is an apocalyptic number.

It is an amenable number.

2564312 is a deficient number, since it is larger than the sum of its proper divisors (2243788).

2564312 is a wasteful number, since it uses less digits than its factorization.

2564312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320545 (or 320541 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2564312 is about 1601.3469330535. The cubic root of 2564312 is about 136.8748390704.

Adding to 2564312 its reverse (2134652), we get a palindrome (4698964).

The spelling of 2564312 in words is "two million, five hundred sixty-four thousand, three hundred twelve".