5251545265 has 8 divisors (see below), whose sum is σ = 6575848128. Its totient is φ = 4018573680.

The previous prime is 5251545217. The next prime is 5251545289. The reversal of 5251545265 is 5625451525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5251545265 - 2¹¹ = 5251543217 is a prime.

It is a Duffinian number.

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, 22832691 + ... + 22832920.

It is an arithmetic number, because the mean of its divisors is an integer number (821981016).

Almost surely, 2^5251545265 is an apocalyptic number.

It is an amenable number.

5251545265 is a deficient number, since it is larger than the sum of its proper divisors (1324302863).

5251545265 is a wasteful number, since it uses less digits than its factorization.

5251545265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45665639.

The product of its digits is 300000, while the sum is 40.

The square root of 5251545265 is about 72467.5462879764. The cubic root of 5251545265 is about 1738.1838257893.

The spelling of 5251545265 in words is "five billion, two hundred fifty-one million, five hundred forty-five thousand, two hundred sixty-five".