253215435706 has 16 divisors (see below), whose sum is σ = 384867751968. Its totient is φ = 124929902800.

The previous prime is 253215435703. The next prime is 253215435749. The reversal of 253215435706 is 607534512352.

It is a happy number.

253215435706 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253215435703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792700 + ... + 1065271.

It is an arithmetic number, because the mean of its divisors is an integer number (24054234498).

Almost surely, 2^253215435706 is an apocalyptic number.

253215435706 is a deficient number, since it is larger than the sum of its proper divisors (131652316262).

253215435706 is a wasteful number, since it uses less digits than its factorization.

253215435706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858877.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 253215435706 in words is "two hundred fifty-three billion, two hundred fifteen million, four hundred thirty-five thousand, seven hundred six".