254109406 has 4 divisors (see below), whose sum is σ = 381164112. Its totient is φ = 127054702.

The previous prime is 254109337. The next prime is 254109407. The reversal of 254109406 is 604901452.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254109407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63527350 + ... + 63527353.

It is an arithmetic number, because the mean of its divisors is an integer number (95291028).

Almost surely, 2^254109406 is an apocalyptic number.

254109406 is a deficient number, since it is larger than the sum of its proper divisors (127054706).

254109406 is a wasteful number, since it uses less digits than its factorization.

254109406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127054705.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 254109406 is about 15940.8094524714. The cubic root of 254109406 is about 633.3934680358.

The spelling of 254109406 in words is "two hundred fifty-four million, one hundred nine thousand, four hundred six".