4105052421 has 8 divisors (see below), whose sum is σ = 5473702944. Its totient is φ = 2736551760.

The previous prime is 4105052417. The next prime is 4105052423. The reversal of 4105052421 is 1242505014.

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

It is not a de Polignac number, because 4105052421 - 2² = 4105052417 is a prime.

It is a super-2 number, since 2×4105052421² = 33702910758315922482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4105052391 and 4105052400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4105052423) 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, 72895 + ... + 116291.

It is an arithmetic number, because the mean of its divisors is an integer number (684212868).

Almost surely, 2^4105052421 is an apocalyptic number.

It is an amenable number.

4105052421 is a deficient number, since it is larger than the sum of its proper divisors (1368650523).

4105052421 is a wasteful number, since it uses less digits than its factorization.

4105052421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74931.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4105052421 is about 64070.6830071289. The cubic root of 4105052421 is about 1601.1778333811.

Adding to 4105052421 its reverse (1242505014), we get a palindrome (5347557435).

The spelling of 4105052421 in words is "four billion, one hundred five million, fifty-two thousand, four hundred twenty-one".