254315140221 has 16 divisors (see below), whose sum is σ = 340266049344. Its totient is φ = 168954342144.

The previous prime is 254315140171. The next prime is 254315140243. The reversal of 254315140221 is 122041513452.

It is not a de Polignac number, because 254315140221 - 2¹⁴ = 254315123837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254315140421) 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, 1955986 + ... + 2081948.

It is an arithmetic number, because the mean of its divisors is an integer number (21266628084).

Almost surely, 2^254315140221 is an apocalyptic number.

It is an amenable number.

254315140221 is a deficient number, since it is larger than the sum of its proper divisors (85950909123).

254315140221 is a wasteful number, since it uses less digits than its factorization.

254315140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128300.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 254315140221 its reverse (122041513452), we get a palindrome (376356653673).

The spelling of 254315140221 in words is "two hundred fifty-four billion, three hundred fifteen million, one hundred forty thousand, two hundred twenty-one".