2305452021 has 8 divisors (see below), whose sum is σ = 3074170944. Its totient is φ = 1536850560.

The previous prime is 2305452011. The next prime is 2305452049. The reversal of 2305452021 is 1202545032.

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

It is a de Polignac number, because none of the positive numbers 2^k-2305452021 is a prime.

It is a super-2 number, since 2×2305452021² = 10630218042265968882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2305451982 and 2305452000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305452011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39520 + ... + 78566.

It is an arithmetic number, because the mean of its divisors is an integer number (384271368).

Almost surely, 2^2305452021 is an apocalyptic number.

It is an amenable number.

2305452021 is a deficient number, since it is larger than the sum of its proper divisors (768718923).

2305452021 is a wasteful number, since it uses less digits than its factorization.

2305452021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58731.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2305452021 is about 48015.1228364564. The cubic root of 2305452021 is about 1321.0482989139.

Adding to 2305452021 its reverse (1202545032), we get a palindrome (3507997053).

The spelling of 2305452021 in words is "two billion, three hundred five million, four hundred fifty-two thousand, twenty-one".