2352121565 has 16 divisors (see below), whose sum is σ = 2952892800. Its totient is φ = 1795223232.

The previous prime is 2352121537. The next prime is 2352121567. The reversal of 2352121565 is 5651212532.

It is not a de Polignac number, because 2352121565 - 2¹⁰ = 2352120541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2352121567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18446 + ... + 71024.

It is an arithmetic number, because the mean of its divisors is an integer number (184555800).

Almost surely, 2^2352121565 is an apocalyptic number.

It is an amenable number.

2352121565 is a deficient number, since it is larger than the sum of its proper divisors (600771235).

2352121565 is a wasteful number, since it uses less digits than its factorization.

2352121565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52996.

The product of its digits is 18000, while the sum is 32.

The square root of 2352121565 is about 48498.6759097607. The cubic root of 2352121565 is about 1329.9028638049.

The spelling of 2352121565 in words is "two billion, three hundred fifty-two million, one hundred twenty-one thousand, five hundred sixty-five".