551244461 has 2 divisors, whose sum is σ = 551244462. Its totient is φ = 551244460.

The previous prime is 551244457. The next prime is 551244481. The reversal of 551244461 is 164442155.

551244461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445463236 + 105781225 = 21106^2 + 10285^2 .

It is a cyclic number.

It is not a de Polignac number, because 551244461 - 2² = 551244457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551244481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275622230 + 275622231.

It is an arithmetic number, because the mean of its divisors is an integer number (275622231).

Almost surely, 2^551244461 is an apocalyptic number.

It is an amenable number.

551244461 is a deficient number, since it is larger than the sum of its proper divisors (1).

551244461 is an equidigital number, since it uses as much as digits as its factorization.

551244461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

The square root of 551244461 is about 23478.5958055417. The cubic root of 551244461 is about 819.9387526136.

The spelling of 551244461 in words is "five hundred fifty-one million, two hundred forty-four thousand, four hundred sixty-one".