253523335401 has 48 divisors (see below), whose sum is σ = 438489926784. Its totient is φ = 143376873984.

The previous prime is 253523335397. The next prime is 253523335451. The reversal of 253523335401 is 104533325352.

253523335401 is a `hidden beast` number, since 2 + 53 + 523 + 33 + 54 + 0 + 1 = 666.

253523335401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253523335401 - 2² = 253523335397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253523335451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 603270 + ... + 933263.

It is an arithmetic number, because the mean of its divisors is an integer number (9135206808).

Almost surely, 2^253523335401 is an apocalyptic number.

253523335401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

253523335401 is a deficient number, since it is larger than the sum of its proper divisors (184966591383).

253523335401 is an equidigital number, since it uses as much as digits as its factorization.

253523335401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536652 (or 1536640 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

The spelling of 253523335401 in words is "two hundred fifty-three billion, five hundred twenty-three million, three hundred thirty-five thousand, four hundred one".