551471 has 4 divisors (see below), whose sum is σ = 575472. Its totient is φ = 527472.

The previous prime is 551461. The next prime is 551483. The reversal of 551471 is 174155.

551471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551471 - 2⁶ = 551407 is a prime.

It is a super-3 number, since 3×551471³ = 503140518061980333, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 23977 = 551471 / (5 + 5 + 1 + 4 + 7 + 1).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 551471.

It is not an unprimeable number, because it can be changed into a prime (551461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11966 + ... + 12011.

It is an arithmetic number, because the mean of its divisors is an integer number (143868).

2⁵⁵¹⁴⁷¹ is an apocalyptic number.

551471 is a deficient number, since it is larger than the sum of its proper divisors (24001).

551471 is a wasteful number, since it uses less digits than its factorization.

551471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24000.

The product of its digits is 700, while the sum is 23.

The square root of 551471 is about 742.6109344738. The cubic root of 551471 is about 82.0051057697.

The spelling of 551471 in words is "five hundred fifty-one thousand, four hundred seventy-one".