254266125242 has 4 divisors (see below), whose sum is σ = 381399187866. Its totient is φ = 127133062620.

The previous prime is 254266125221. The next prime is 254266125271. The reversal of 254266125242 is 242521662452.

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

It can be written as a sum of positive squares in only one way, i.e., 162063410041 + 92202715201 = 402571^2 + 303649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 254266125242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63566531309 + ... + 63566531312.

Almost surely, 2^254266125242 is an apocalyptic number.

254266125242 is a deficient number, since it is larger than the sum of its proper divisors (127133062624).

254266125242 is a wasteful number, since it uses less digits than its factorization.

254266125242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127133062623.

The product of its digits is 460800, while the sum is 41.

Adding to 254266125242 its reverse (242521662452), we get a palindrome (496787787694).

The spelling of 254266125242 in words is "two hundred fifty-four billion, two hundred sixty-six million, one hundred twenty-five thousand, two hundred forty-two".