5224721587 has 4 divisors (see below), whose sum is σ = 5227091136. Its totient is φ = 5222352040.

The previous prime is 5224721581. The next prime is 5224721591. The reversal of 5224721587 is 7851274225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5224721587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5224721581) 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, 1181464 + ... + 1185877.

It is an arithmetic number, because the mean of its divisors is an integer number (1306772784).

Almost surely, 2^5224721587 is an apocalyptic number.

5224721587 is a deficient number, since it is larger than the sum of its proper divisors (2369549).

5224721587 is a wasteful number, since it uses less digits than its factorization.

5224721587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369548.

The product of its digits is 313600, while the sum is 43.

The square root of 5224721587 is about 72282.2356253596. The cubic root of 5224721587 is about 1735.2193591878.

The spelling of 5224721587 in words is "five billion, two hundred twenty-four million, seven hundred twenty-one thousand, five hundred eighty-seven".