551250513 has 12 divisors (see below), whose sum is σ = 868637328. Its totient is φ = 334091160.

The previous prime is 551250503. The next prime is 551250527. The reversal of 551250513 is 315052155.

It is not a de Polignac number, because 551250513 - 2⁵ = 551250481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (551250503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2783995 + ... + 2784192.

It is an arithmetic number, because the mean of its divisors is an integer number (72386444).

Almost surely, 2^551250513 is an apocalyptic number.

It is an amenable number.

551250513 is a deficient number, since it is larger than the sum of its proper divisors (317386815).

551250513 is a wasteful number, since it uses less digits than its factorization.

551250513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568204 (or 5568201 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 551250513 is about 23478.7246885345. The cubic root of 551250513 is about 819.9417532492.

The spelling of 551250513 in words is "five hundred fifty-one million, two hundred fifty thousand, five hundred thirteen".