254135521241 has 16 divisors (see below), whose sum is σ = 298630358400. Its totient is φ = 216167580720.

The previous prime is 254135521223. The next prime is 254135521259. The reversal of 254135521241 is 142125531452.

It is an interprime number because it is at equal distance from previous prime (254135521223) and next prime (254135521259).

It is not a de Polignac number, because 254135521241 - 2⁶ = 254135521177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254135521291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2783006 + ... + 2872871.

It is an arithmetic number, because the mean of its divisors is an integer number (18664397400).

Almost surely, 2^254135521241 is an apocalyptic number.

It is an amenable number.

254135521241 is a deficient number, since it is larger than the sum of its proper divisors (44494837159).

254135521241 is an equidigital number, since it uses as much as digits as its factorization.

254135521241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656029 (or 5656015 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The spelling of 254135521241 in words is "two hundred fifty-four billion, one hundred thirty-five million, five hundred twenty-one thousand, two hundred forty-one".