254434402 has 8 divisors (see below), whose sum is σ = 381926700. Its totient is φ = 127125504.

The previous prime is 254434399. The next prime is 254434403. The reversal of 254434402 is 204434452.

254434402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 15951²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 254434401 + 1 = 15951^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (254434403) 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, 42327 + ... + 47962.

Almost surely, 2^254434402 is an apocalyptic number.

254434402 is a deficient number, since it is larger than the sum of its proper divisors (127492298).

254434402 is a wasteful number, since it uses less digits than its factorization.

254434402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91700.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 254434402 is about 15951.0000313460. Note that the first 4 decimals coincide. The cubic root of 254434402 is about 633.6633814967.

Adding to 254434402 its reverse (204434452), we get a palindrome (458868854).

The spelling of 254434402 in words is "two hundred fifty-four million, four hundred thirty-four thousand, four hundred two".