254454421 has 12 divisors (see below), whose sum is σ = 277908708. Its totient is φ = 231600384.

The previous prime is 254454413. The next prime is 254454427. The reversal of 254454421 is 124454452.

It can be written as a sum of positive squares in 6 ways, for example, as 37039396 + 217415025 = 6086^2 + 14745^2 .

It is not a de Polignac number, because 254454421 - 2³ = 254454413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254454427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67441 + ... + 71113.

It is an arithmetic number, because the mean of its divisors is an integer number (23159059).

Almost surely, 2^254454421 is an apocalyptic number.

It is an amenable number.

254454421 is a deficient number, since it is larger than the sum of its proper divisors (23454287).

254454421 is an equidigital number, since it uses as much as digits as its factorization.

254454421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 3759 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 254454421 is about 15951.6275345182. The cubic root of 254454421 is about 633.6800000232.

Adding to 254454421 its sum of digits (31), we get a palindrome (254454452).

It can be divided in two parts, 2544 and 54421, that added together give a palindrome (56965).

The spelling of 254454421 in words is "two hundred fifty-four million, four hundred fifty-four thousand, four hundred twenty-one".