554245231 has 2 divisors, whose sum is σ = 554245232. Its totient is φ = 554245230.

The previous prime is 554245217. The next prime is 554245247. The reversal of 554245231 is 132542455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554245231 is a prime.

It is a super-2 number, since 2×554245231² = 614375552172486722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 554245193 and 554245202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554245201) 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, 277122615 + 277122616.

It is an arithmetic number, because the mean of its divisors is an integer number (277122616).

Almost surely, 2^554245231 is an apocalyptic number.

554245231 is a deficient number, since it is larger than the sum of its proper divisors (1).

554245231 is an equidigital number, since it uses as much as digits as its factorization.

554245231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 31.

The square root of 554245231 is about 23542.4134489224. The cubic root of 554245231 is about 821.4238750049.

Adding to 554245231 its reverse (132542455), we get a palindrome (686787686).

The spelling of 554245231 in words is "five hundred fifty-four million, two hundred forty-five thousand, two hundred thirty-one".