2021132365 has 8 divisors (see below), whose sum is σ = 2771838720. Its totient is φ = 1385919312.

The previous prime is 2021132359. The next prime is 2021132371. The reversal of 2021132365 is 5632311202.

It is an interprime number because it is at equal distance from previous prime (2021132359) and next prime (2021132371).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021132365 - 2⁷ = 2021132237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28873285 + ... + 28873354.

It is an arithmetic number, because the mean of its divisors is an integer number (346479840).

Almost surely, 2^2021132365 is an apocalyptic number.

It is an amenable number.

2021132365 is a deficient number, since it is larger than the sum of its proper divisors (750706355).

2021132365 is an equidigital number, since it uses as much as digits as its factorization.

2021132365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57746651.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2021132365 is about 44957.0057388167. The cubic root of 2021132365 is about 1264.3430303712.

Adding to 2021132365 its reverse (5632311202), we get a palindrome (7653443567).

The spelling of 2021132365 in words is "two billion, twenty-one million, one hundred thirty-two thousand, three hundred sixty-five".