555320413 has 2 divisors, whose sum is σ = 555320414. Its totient is φ = 555320412.

The previous prime is 555320411. The next prime is 555320431. The reversal of 555320413 is 314023555.

Together with next prime (555320431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546717924 + 8602489 = 23382^2 + 2933^2 .

It is a cyclic number.

It is not a de Polignac number, because 555320413 - 2¹ = 555320411 is a prime.

It is a super-2 number, since 2×555320413² = 616761522188981138, which contains 22 as substring.

Together with 555320411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555320411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277660206 + 277660207.

It is an arithmetic number, because the mean of its divisors is an integer number (277660207).

Almost surely, 2^555320413 is an apocalyptic number.

It is an amenable number.

555320413 is a deficient number, since it is larger than the sum of its proper divisors (1).

555320413 is an equidigital number, since it uses as much as digits as its factorization.

555320413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 555320413 is about 23565.2373847581. The cubic root of 555320413 is about 821.9546927943.

Adding to 555320413 its reverse (314023555), we get a palindrome (869343968).

The spelling of 555320413 in words is "five hundred fifty-five million, three hundred twenty thousand, four hundred thirteen".