2321609541 has 4 divisors (see below), whose sum is σ = 3095479392. Its totient is φ = 1547739692.

The previous prime is 2321609527. The next prime is 2321609567. The reversal of 2321609541 is 1459061232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2321609541 - 2¹³ = 2321601349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321609501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386934921 + ... + 386934926.

It is an arithmetic number, because the mean of its divisors is an integer number (773869848).

Almost surely, 2^2321609541 is an apocalyptic number.

It is an amenable number.

2321609541 is a deficient number, since it is larger than the sum of its proper divisors (773869851).

2321609541 is an equidigital number, since it uses as much as digits as its factorization.

2321609541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773869850.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2321609541 is about 48183.0835563686. The cubic root of 2321609541 is about 1324.1272602840.

The spelling of 2321609541 in words is "two billion, three hundred twenty-one million, six hundred nine thousand, five hundred forty-one".