254421231 has 4 divisors (see below), whose sum is σ = 339228312. Its totient is φ = 169614152.

The previous prime is 254421221. The next prime is 254421241. The reversal of 254421231 is 132124452.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (254421221) and next prime (254421241).

It is a cyclic number.

It is not a de Polignac number, because 254421231 - 2⁷ = 254421103 is a prime.

It is a super-2 number, since 2×254421231² = 129460325567110722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254421221) 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, 42403536 + ... + 42403541.

It is an arithmetic number, because the mean of its divisors is an integer number (84807078).

Almost surely, 2^254421231 is an apocalyptic number.

254421231 is a deficient number, since it is larger than the sum of its proper divisors (84807081).

254421231 is an equidigital number, since it uses as much as digits as its factorization.

254421231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84807080.

The product of its digits is 1920, while the sum is 24.

The square root of 254421231 is about 15950.5871678757. The cubic root of 254421231 is about 633.6524472777.

Adding to 254421231 its reverse (132124452), we get a palindrome (386545683).

The spelling of 254421231 in words is "two hundred fifty-four million, four hundred twenty-one thousand, two hundred thirty-one".