254402212352213 has 4 divisors (see below), whose sum is σ = 256109609750700. Its totient is φ = 252694814953728.

The previous prime is 254402212352209. The next prime is 254402212352273. The reversal of 254402212352213 is 312253212204452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19043597026609 + 235358615325604 = 4363897^2 + 15341402^2 .

It is a cyclic number.

It is not a de Polignac number, because 254402212352213 - 2² = 254402212352209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254402212352273) 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, 853698699020 + ... + 853698699317.

It is an arithmetic number, because the mean of its divisors is an integer number (64027402437675).

Almost surely, 2^{254402212352213} is an apocalyptic number.

It is an amenable number.

254402212352213 is a deficient number, since it is larger than the sum of its proper divisors (1707397398487).

254402212352213 is a wasteful number, since it uses less digits than its factorization.

254402212352213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707397398486.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 254402212352213 its reverse (312253212204452), we get a palindrome (566655424556665).

The spelling of 254402212352213 in words is "two hundred fifty-four trillion, four hundred two billion, two hundred twelve million, three hundred fifty-two thousand, two hundred thirteen".