254401234 has 4 divisors (see below), whose sum is σ = 381601854. Its totient is φ = 127200616.

The previous prime is 254401207. The next prime is 254401237. The reversal of 254401234 is 432104452.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 132365025 + 122036209 = 11505^2 + 11047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254401199 and 254401208.

It is not an unprimeable number, because it can be changed into a prime (254401237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63600307 + ... + 63600310.

Almost surely, 2^254401234 is an apocalyptic number.

254401234 is a deficient number, since it is larger than the sum of its proper divisors (127200620).

254401234 is a wasteful number, since it uses less digits than its factorization.

254401234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127200619.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 254401234 is about 15949.9603134303. The cubic root of 254401234 is about 633.6358455710.

Adding to 254401234 its reverse (432104452), we get a palindrome (686505686).

The spelling of 254401234 in words is "two hundred fifty-four million, four hundred one thousand, two hundred thirty-four".