254901 has 4 divisors (see below), whose sum is σ = 339872. Its totient is φ = 169932.
The previous prime is 254899. The next prime is 254911. The reversal of 254901 is 109452.
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 not a de Polignac number, because 254901 - 21 = 254899 is a prime.
It is a D-number.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (254911) 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, 42481 + ... + 42486.
It is an arithmetic number, because the mean of its divisors is an integer number (84968).
2254901 is an apocalyptic number.
It is an amenable number.
254901 is a deficient number, since it is larger than the sum of its proper divisors (84971).
254901 is an equidigital number, since it uses as much as digits as its factorization.
254901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84970.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 254901 is about 504.8772127953. The cubic root of 254901 is about 63.4050495701.
Subtracting from 254901 its product of nonzero digits (360), we obtain a triangular number (254541 = T713).
The spelling of 254901 in words is "two hundred fifty-four thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •