551413 has 4 divisors (see below), whose sum is σ = 555520. Its totient is φ = 547308.

The previous prime is 551407. The next prime is 551423. The reversal of 551413 is 314155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 551413 - 2⁵ = 551381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845 + ... + 2122.

It is an arithmetic number, because the mean of its divisors is an integer number (138880).

2⁵⁵¹⁴¹³ is an apocalyptic number.

It is an amenable number.

551413 is a deficient number, since it is larger than the sum of its proper divisors (4107).

551413 is a wasteful number, since it uses less digits than its factorization.

551413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106.

The product of its digits is 300, while the sum is 19.

The square root of 551413 is about 742.5718820424. The cubic root of 551413 is about 82.0022307543.

Adding to 551413 its reverse (314155), we get a palindrome (865568).

The spelling of 551413 in words is "five hundred fifty-one thousand, four hundred thirteen".