551145341 has 2 divisors, whose sum is σ = 551145342. Its totient is φ = 551145340.

The previous prime is 551145313. The next prime is 551145347. The reversal of 551145341 is 143541155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545409316 + 5736025 = 23354^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 551145341 - 2⁶ = 551145277 is a prime.

It is a super-2 number, since 2×551145341² = 607522373812012562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551145347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275572670 + 275572671.

It is an arithmetic number, because the mean of its divisors is an integer number (275572671).

Almost surely, 2^551145341 is an apocalyptic number.

It is an amenable number.

551145341 is a deficient number, since it is larger than the sum of its proper divisors (1).

551145341 is an equidigital number, since it uses as much as digits as its factorization.

551145341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 29.

The square root of 551145341 is about 23476.4848518683. The cubic root of 551145341 is about 819.8896049084.

Adding to 551145341 its reverse (143541155), we get a palindrome (694686496).

The spelling of 551145341 in words is "five hundred fifty-one million, one hundred forty-five thousand, three hundred forty-one".