551424413 has 2 divisors, whose sum is σ = 551424414. Its totient is φ = 551424412.

The previous prime is 551424397. The next prime is 551424421. The reversal of 551424413 is 314424155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460832089 + 90592324 = 21467^2 + 9518^2 .

It is a cyclic number.

It is not a de Polignac number, because 551424413 - 2⁴ = 551424397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551424463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275712206 + 275712207.

It is an arithmetic number, because the mean of its divisors is an integer number (275712207).

Almost surely, 2^551424413 is an apocalyptic number.

It is an amenable number.

551424413 is a deficient number, since it is larger than the sum of its proper divisors (1).

551424413 is an equidigital number, since it uses as much as digits as its factorization.

551424413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 551424413 is about 23482.4277492767. The cubic root of 551424413 is about 820.0279650387.

Adding to 551424413 its reverse (314424155), we get a palindrome (865848568).

The spelling of 551424413 in words is "five hundred fifty-one million, four hundred twenty-four thousand, four hundred thirteen".