254451998 has 8 divisors (see below), whose sum is σ = 385179960. Its totient is φ = 126058680.

The previous prime is 254451991. The next prime is 254452007. The reversal of 254451998 is 899154452.

It is a happy number.

254451998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254451991) 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, 583388 + ... + 583823.

It is an arithmetic number, because the mean of its divisors is an integer number (48147495).

Almost surely, 2^254451998 is an apocalyptic number.

254451998 is a deficient number, since it is larger than the sum of its proper divisors (130727962).

254451998 is a wasteful number, since it uses less digits than its factorization.

254451998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167322.

The product of its digits is 518400, while the sum is 47.

The square root of 254451998 is about 15951.5515859743. The cubic root of 254451998 is about 633.6779886459.

The spelling of 254451998 in words is "two hundred fifty-four million, four hundred fifty-one thousand, nine hundred ninety-eight".