2361564 has 18 divisors (see below), whose sum is σ = 5969600. Its totient is φ = 787176.

The previous prime is 2361563. The next prime is 2361577. The reversal of 2361564 is 4651632.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2361563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32764 + ... + 32835.

2^2361564 is an apocalyptic number.

It is an amenable number.

2361564 is an abundant number, since it is smaller than the sum of its proper divisors (3608036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2361564 is a wasteful number, since it uses less digits than its factorization.

2361564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65609 (or 65604 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2361564 is about 1536.7381039071. The cubic root of 2361564 is about 133.1680089826.

The spelling of 2361564 in words is "two million, three hundred sixty-one thousand, five hundred sixty-four".