2363561 has 4 divisors (see below), whose sum is σ = 2502612. Its totient is φ = 2224512.

The previous prime is 2363539. The next prime is 2363563. The reversal of 2363561 is 1653632.

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 1651225 + 712336 = 1285^2 + 844^2 .

It is a cyclic number.

It is not a de Polignac number, because 2363561 - 2⁶ = 2363497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2363561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2363563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69500 + ... + 69533.

It is an arithmetic number, because the mean of its divisors is an integer number (625653).

2^2363561 is an apocalyptic number.

It is an amenable number.

2363561 is a deficient number, since it is larger than the sum of its proper divisors (139051).

2363561 is a wasteful number, since it uses less digits than its factorization.

2363561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139050.

The product of its digits is 3240, while the sum is 26.

The square root of 2363561 is about 1537.3877194774. The cubic root of 2363561 is about 133.2055351853.

The spelling of 2363561 in words is "two million, three hundred sixty-three thousand, five hundred sixty-one".