254555401 has 4 divisors (see below), whose sum is σ = 256498704. Its totient is φ = 252612100.

The previous prime is 254555381. The next prime is 254555419. The reversal of 254555401 is 104555452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254555401 is a prime.

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 Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254555471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971455 + ... + 971716.

It is an arithmetic number, because the mean of its divisors is an integer number (64124676).

Almost surely, 2^254555401 is an apocalyptic number.

It is an amenable number.

254555401 is a deficient number, since it is larger than the sum of its proper divisors (1943303).

254555401 is a wasteful number, since it uses less digits than its factorization.

254555401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943302.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 254555401 is about 15954.7924148201. The cubic root of 254555401 is about 633.7638140430.

The spelling of 254555401 in words is "two hundred fifty-four million, five hundred fifty-five thousand, four hundred one".