554154409 has 2 divisors, whose sum is σ = 554154410. Its totient is φ = 554154408.

The previous prime is 554154407. The next prime is 554154463. The reversal of 554154409 is 904451455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326597184 + 227557225 = 18072^2 + 15085^2 .

It is a cyclic number.

It is not a de Polignac number, because 554154409 - 2¹ = 554154407 is a prime.

Together with 554154407, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (554154407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277077204 + 277077205.

It is an arithmetic number, because the mean of its divisors is an integer number (277077205).

Almost surely, 2^554154409 is an apocalyptic number.

It is an amenable number.

554154409 is a deficient number, since it is larger than the sum of its proper divisors (1).

554154409 is an equidigital number, since it uses as much as digits as its factorization.

554154409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 554154409 is about 23540.4844682517. The cubic root of 554154409 is about 821.3790047138.

The spelling of 554154409 in words is "five hundred fifty-four million, one hundred fifty-four thousand, four hundred nine".