253055401481 has 2 divisors, whose sum is σ = 253055401482. Its totient is φ = 253055401480.

The previous prime is 253055401463. The next prime is 253055401639. The reversal of 253055401481 is 184104550352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189294606400 + 63760795081 = 435080^2 + 252509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253055401481 is a prime.

It is a super-2 number, since 2×253055401481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253055401381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126527700740 + 126527700741.

It is an arithmetic number, because the mean of its divisors is an integer number (126527700741).

Almost surely, 2^253055401481 is an apocalyptic number.

It is an amenable number.

253055401481 is a deficient number, since it is larger than the sum of its proper divisors (1).

253055401481 is an equidigital number, since it uses as much as digits as its factorization.

253055401481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 253055401481 in words is "two hundred fifty-three billion, fifty-five million, four hundred one thousand, four hundred eighty-one".