254131553024321 has 4 divisors (see below), whose sum is σ = 290436060599232. Its totient is φ = 217827045449412.

The previous prime is 254131553024291. The next prime is 254131553024351. The reversal of 254131553024321 is 123420355131452.

254131553024321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (254131553024291) and next prime (254131553024351).

It is not a de Polignac number, because 254131553024321 - 2⁶ = 254131553024257 is a prime.

It is a super-2 number, since 2×254131553024321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254131553024351) 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, 18152253787445 + ... + 18152253787458.

It is an arithmetic number, because the mean of its divisors is an integer number (72609015149808).

Almost surely, 2^{254131553024321} is an apocalyptic number.

It is an amenable number.

254131553024321 is a deficient number, since it is larger than the sum of its proper divisors (36304507574911).

254131553024321 is an equidigital number, since it uses as much as digits as its factorization.

254131553024321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36304507574910.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 254131553024321 in words is "two hundred fifty-four trillion, one hundred thirty-one billion, five hundred fifty-three million, twenty-four thousand, three hundred twenty-one".