554041309 has 2 divisors, whose sum is σ = 554041310. Its totient is φ = 554041308.

The previous prime is 554041307. The next prime is 554041321. The reversal of 554041309 is 903140455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469805625 + 84235684 = 21675^2 + 9178^2 .

It is a cyclic number.

It is not a de Polignac number, because 554041309 - 2¹ = 554041307 is a prime.

Together with 554041307, 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 (554041307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277020654 + 277020655.

It is an arithmetic number, because the mean of its divisors is an integer number (277020655).

Almost surely, 2^554041309 is an apocalyptic number.

It is an amenable number.

554041309 is a deficient number, since it is larger than the sum of its proper divisors (1).

554041309 is an equidigital number, since it uses as much as digits as its factorization.

554041309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 554041309 is about 23538.0821011398. The cubic root of 554041309 is about 821.3231212004.

The spelling of 554041309 in words is "five hundred fifty-four million, forty-one thousand, three hundred nine".