2352436421 has 8 divisors (see below), whose sum is σ = 2492023320. Its totient is φ = 2212983808.

The previous prime is 2352436403. The next prime is 2352436441. The reversal of 2352436421 is 1246342532.

It can be written as a sum of positive squares in 4 ways, for example, as 87628321 + 2264808100 = 9361^2 + 47590^2 .

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 2352436421 - 2²⁶ = 2285327557 is a prime.

It is a super-2 number, since 2×2352436421² = 11067914229694578482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2352436441) 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, 3695 + ... + 68691.

It is an arithmetic number, because the mean of its divisors is an integer number (311502915).

Almost surely, 2^2352436421 is an apocalyptic number.

It is an amenable number.

2352436421 is a deficient number, since it is larger than the sum of its proper divisors (139586899).

2352436421 is a wasteful number, since it uses less digits than its factorization.

2352436421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67143.

The product of its digits is 34560, while the sum is 32.

The square root of 2352436421 is about 48501.9218279029. The cubic root of 2352436421 is about 1329.9622016130.

Adding to 2352436421 its reverse (1246342532), we get a palindrome (3598778953).

The spelling of 2352436421 in words is "two billion, three hundred fifty-two million, four hundred thirty-six thousand, four hundred twenty-one".