2564372 has 6 divisors (see below), whose sum is σ = 4487658. Its totient is φ = 1282184.

The previous prime is 2564369. The next prime is 2564381. The reversal of 2564372 is 2734652.

It can be written as a sum of positive squares in only one way, i.e., 1406596 + 1157776 = 1186^2 + 1076^2 .

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, 320543 + ... + 320550.

It is an arithmetic number, because the mean of its divisors is an integer number (747943).

2^2564372 is an apocalyptic number.

It is an amenable number.

2564372 is a deficient number, since it is larger than the sum of its proper divisors (1923286).

2564372 is a wasteful number, since it uses less digits than its factorization.

2564372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641097 (or 641095 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 2564372 is about 1601.3656671729. The cubic root of 2564372 is about 136.8759065987.

The spelling of 2564372 in words is "two million, five hundred sixty-four thousand, three hundred seventy-two".