253421477201 has 2 divisors, whose sum is σ = 253421477202. Its totient is φ = 253421477200.

The previous prime is 253421477039. The next prime is 253421477213. The reversal of 253421477201 is 102774124352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126792966400 + 126628510801 = 356080^2 + 355849^2 .

It is a cyclic number.

It is not a de Polignac number, because 253421477201 - 2³⁰ = 252347735377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (253421471201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126710738600 + 126710738601.

It is an arithmetic number, because the mean of its divisors is an integer number (126710738601).

Almost surely, 2^253421477201 is an apocalyptic number.

It is an amenable number.

253421477201 is a deficient number, since it is larger than the sum of its proper divisors (1).

253421477201 is an equidigital number, since it uses as much as digits as its factorization.

253421477201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 253421477201 in words is "two hundred fifty-three billion, four hundred twenty-one million, four hundred seventy-seven thousand, two hundred one".