254005025451 has 4 divisors (see below), whose sum is σ = 338673367272. Its totient is φ = 169336683632.

The previous prime is 254005025447. The next prime is 254005025459. The reversal of 254005025451 is 154520500452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254005025451 - 2² = 254005025447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254005025459) 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, 42334170906 + ... + 42334170911.

It is an arithmetic number, because the mean of its divisors is an integer number (84668341818).

Almost surely, 2^254005025451 is an apocalyptic number.

254005025451 is a deficient number, since it is larger than the sum of its proper divisors (84668341821).

254005025451 is an equidigital number, since it uses as much as digits as its factorization.

254005025451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84668341820.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 254005025451 in words is "two hundred fifty-four billion, five million, twenty-five thousand, four hundred fifty-one".