551324413 has 4 divisors (see below), whose sum is σ = 551895520. Its totient is φ = 550753308.

The previous prime is 551324407. The next prime is 551324419. The reversal of 551324413 is 314423155.

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 an interprime number because it is at equal distance from previous prime (551324407) and next prime (551324419).

It is a cyclic number.

It is not a de Polignac number, because 551324413 - 2⁵ = 551324381 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 (551324419) 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, 284103 + ... + 286036.

It is an arithmetic number, because the mean of its divisors is an integer number (137973880).

Almost surely, 2^551324413 is an apocalyptic number.

It is an amenable number.

551324413 is a deficient number, since it is larger than the sum of its proper divisors (571107).

551324413 is an equidigital number, since it uses as much as digits as its factorization.

551324413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571106.

The product of its digits is 7200, while the sum is 28.

The square root of 551324413 is about 23480.2984009999. The cubic root of 551324413 is about 819.9783917566.

Adding to 551324413 its reverse (314423155), we get a palindrome (865747568).

The spelling of 551324413 in words is "five hundred fifty-one million, three hundred twenty-four thousand, four hundred thirteen".