5251443523 has 8 divisors (see below), whose sum is σ = 5302980608. Its totient is φ = 5200065864.

The previous prime is 5251443443. The next prime is 5251443539. The reversal of 5251443523 is 3253441525.

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 5251443523 - 2¹³ = 5251435331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251443553) 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, 26890 + ... + 105952.

It is an arithmetic number, because the mean of its divisors is an integer number (662872576).

Almost surely, 2^5251443523 is an apocalyptic number.

5251443523 is a deficient number, since it is larger than the sum of its proper divisors (51537085).

5251443523 is a wasteful number, since it uses less digits than its factorization.

5251443523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79713.

The product of its digits is 72000, while the sum is 34.

The square root of 5251443523 is about 72466.8443013769. The cubic root of 5251443523 is about 1738.1726006843.

The spelling of 5251443523 in words is "five billion, two hundred fifty-one million, four hundred forty-three thousand, five hundred twenty-three".