254355555401 has 2 divisors, whose sum is σ = 254355555402. Its totient is φ = 254355555400.

The previous prime is 254355555397. The next prime is 254355555457. The reversal of 254355555401 is 104555553452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199139955001 + 55215600400 = 446251^2 + 234980^2 .

It is a cyclic number.

It is not a de Polignac number, because 254355555401 - 2² = 254355555397 is a prime.

It is not a weakly prime, because it can be changed into another prime (254355555001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127177777700 + 127177777701.

It is an arithmetic number, because the mean of its divisors is an integer number (127177777701).

Almost surely, 2^254355555401 is an apocalyptic number.

It is an amenable number.

254355555401 is a deficient number, since it is larger than the sum of its proper divisors (1).

254355555401 is an equidigital number, since it uses as much as digits as its factorization.

254355555401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500000, while the sum is 44.

The spelling of 254355555401 in words is "two hundred fifty-four billion, three hundred fifty-five million, five hundred fifty-five thousand, four hundred one".