4238524987 has 4 divisors (see below), whose sum is σ = 4239268000. Its totient is φ = 4237781976.

The previous prime is 4238524967. The next prime is 4238525029. The reversal of 4238524987 is 7894258324.

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 4238524987 - 2⁷ = 4238524859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4238524967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362883 + ... + 374380.

It is an arithmetic number, because the mean of its divisors is an integer number (1059817000).

Almost surely, 2^4238524987 is an apocalyptic number.

4238524987 is a deficient number, since it is larger than the sum of its proper divisors (743013).

4238524987 is an equidigital number, since it uses as much as digits as its factorization.

4238524987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743012.

The product of its digits is 3870720, while the sum is 52.

The square root of 4238524987 is about 65103.9552331500. The cubic root of 4238524987 is about 1618.3467596592.

The spelling of 4238524987 in words is "four billion, two hundred thirty-eight million, five hundred twenty-four thousand, nine hundred eighty-seven".