5251533545 has 8 divisors (see below), whose sum is σ = 6306706824. Its totient is φ = 4197982464.

The previous prime is 5251533533. The next prime is 5251533577. The reversal of 5251533545 is 5453351525.

It can be written as a sum of positive squares in 4 ways, for example, as 1680754009 + 3570779536 = 40997^2 + 59756^2 .

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 5251533545 - 2¹⁰ = 5251532521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5251533499 and 5251533508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398414 + ... + 411383.

It is an arithmetic number, because the mean of its divisors is an integer number (788338353).

Almost surely, 2^5251533545 is an apocalyptic number.

It is an amenable number.

5251533545 is a deficient number, since it is larger than the sum of its proper divisors (1055173279).

5251533545 is a wasteful number, since it uses less digits than its factorization.

5251533545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811099.

The product of its digits is 225000, while the sum is 38.

The square root of 5251533545 is about 72467.4654241474. The cubic root of 5251533545 is about 1738.1825327395.

The spelling of 5251533545 in words is "five billion, two hundred fifty-one million, five hundred thirty-three thousand, five hundred forty-five".