254728612261 has 8 divisors (see below), whose sum is σ = 255575309184. Its totient is φ = 253882453440.

The previous prime is 254728612249. The next prime is 254728612283. The reversal of 254728612261 is 162216827452.

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

It is a cyclic number.

It is not a de Polignac number, because 254728612261 - 2²⁷ = 254594394533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254728612231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825156 + ... + 1091026.

It is an arithmetic number, because the mean of its divisors is an integer number (31946913648).

Almost surely, 2^254728612261 is an apocalyptic number.

It is an amenable number.

254728612261 is a deficient number, since it is larger than the sum of its proper divisors (846696923).

254728612261 is a wasteful number, since it uses less digits than its factorization.

254728612261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269051.

The product of its digits is 645120, while the sum is 46.

The spelling of 254728612261 in words is "two hundred fifty-four billion, seven hundred twenty-eight million, six hundred twelve thousand, two hundred sixty-one".