554142509 has 2 divisors, whose sum is σ = 554142510. Its totient is φ = 554142508.

The previous prime is 554142503. The next prime is 554142521. The reversal of 554142509 is 905241455.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 545082409 + 9060100 = 23347^2 + 3010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554142509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554142503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277071254 + 277071255.

It is an arithmetic number, because the mean of its divisors is an integer number (277071255).

Almost surely, 2^554142509 is an apocalyptic number.

It is an amenable number.

554142509 is a deficient number, since it is larger than the sum of its proper divisors (1).

554142509 is an equidigital number, since it uses as much as digits as its factorization.

554142509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 554142509 is about 23540.2317108392. The cubic root of 554142509 is about 821.3731251973.

The spelling of 554142509 in words is "five hundred fifty-four million, one hundred forty-two thousand, five hundred nine".