5250777521 has 16 divisors (see below), whose sum is σ = 5778355968. Its totient is φ = 4731753600.

The previous prime is 5250777503. The next prime is 5250777541. The reversal of 5250777521 is 1257770525.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5250777521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5250777541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604616 + ... + 613238.

It is an arithmetic number, because the mean of its divisors is an integer number (361147248).

Almost surely, 2^5250777521 is an apocalyptic number.

It is an amenable number.

5250777521 is a deficient number, since it is larger than the sum of its proper divisors (527578447).

5250777521 is a wasteful number, since it uses less digits than its factorization.

5250777521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112.

The product of its (nonzero) digits is 171500, while the sum is 41.

The square root of 5250777521 is about 72462.2489369465. The cubic root of 5250777521 is about 1738.0991176909.

The spelling of 5250777521 in words is "five billion, two hundred fifty million, seven hundred seventy-seven thousand, five hundred twenty-one".