2254512521381 has 2 divisors, whose sum is σ = 2254512521382. Its totient is φ = 2254512521380.

The previous prime is 2254512521369. The next prime is 2254512521419. The reversal of 2254512521381 is 1831252154522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1858884101281 + 395628420100 = 1363409^2 + 628990^2 .

It is a cyclic number.

It is not a de Polignac number, because 2254512521381 - 2¹⁴ = 2254512504997 is a prime.

It is a super-2 number, since 2×2254512521381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2254512551381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127256260690 + 1127256260691.

It is an arithmetic number, because the mean of its divisors is an integer number (1127256260691).

Almost surely, 2^{2254512521381} is an apocalyptic number.

It is an amenable number.

2254512521381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254512521381 is an equidigital number, since it uses as much as digits as its factorization.

2254512521381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192000, while the sum is 41.

The spelling of 2254512521381 in words is "two trillion, two hundred fifty-four billion, five hundred twelve million, five hundred twenty-one thousand, three hundred eighty-one".