254031421 has 4 divisors (see below), whose sum is σ = 290321632. Its totient is φ = 217741212.

The previous prime is 254031409. The next prime is 254031431. The reversal of 254031421 is 124130452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254031421 - 2¹⁵ = 253998653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254031392 and 254031401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254031431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18145095 + ... + 18145108.

It is an arithmetic number, because the mean of its divisors is an integer number (72580408).

Almost surely, 2^254031421 is an apocalyptic number.

It is an amenable number.

254031421 is a deficient number, since it is larger than the sum of its proper divisors (36290211).

254031421 is an equidigital number, since it uses as much as digits as its factorization.

254031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36290210.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 254031421 is about 15938.3631844678. The cubic root of 254031421 is about 633.3286662322.

Adding to 254031421 its reverse (124130452), we get a palindrome (378161873).

It can be divided in two parts, 254031 and 421, that added together give a palindrome (254452).

The spelling of 254031421 in words is "two hundred fifty-four million, thirty-one thousand, four hundred twenty-one".