4152520243 has 4 divisors (see below), whose sum is σ = 4371073960. Its totient is φ = 3933966528.

The previous prime is 4152520231. The next prime is 4152520291. The reversal of 4152520243 is 3420252514.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4152520243 - 2¹³ = 4152512051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4152520343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109276830 + ... + 109276867.

It is an arithmetic number, because the mean of its divisors is an integer number (1092768490).

Almost surely, 2^4152520243 is an apocalyptic number.

4152520243 is a deficient number, since it is larger than the sum of its proper divisors (218553717).

4152520243 is a wasteful number, since it uses less digits than its factorization.

4152520243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218553716.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4152520243 is about 64440.0515440514. The cubic root of 4152520243 is about 1607.3258132359.

Adding to 4152520243 its reverse (3420252514), we get a palindrome (7572772757).

The spelling of 4152520243 in words is "four billion, one hundred fifty-two million, five hundred twenty thousand, two hundred forty-three".