554251469 has 2 divisors, whose sum is σ = 554251470. Its totient is φ = 554251468.

The previous prime is 554251463. The next prime is 554251471. The reversal of 554251469 is 964152455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 523036900 + 31214569 = 22870^2 + 5587^2 .

It is a cyclic number.

It is not a de Polignac number, because 554251469 - 2¹² = 554247373 is a prime.

It is a super-2 number, since 2×554251469² = 614389381777315922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 554251471, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554251463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277125734 + 277125735.

It is an arithmetic number, because the mean of its divisors is an integer number (277125735).

Almost surely, 2^554251469 is an apocalyptic number.

It is an amenable number.

554251469 is a deficient number, since it is larger than the sum of its proper divisors (1).

554251469 is an equidigital number, since it uses as much as digits as its factorization.

554251469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 41.

The square root of 554251469 is about 23542.5459328425. The cubic root of 554251469 is about 821.4269566871.

It can be divided in two parts, 55 and 4251469, that added together give a palindrome (4251524).

The spelling of 554251469 in words is "five hundred fifty-four million, two hundred fifty-one thousand, four hundred sixty-nine".