253612017653 has 2 divisors, whose sum is σ = 253612017654. Its totient is φ = 253612017652.

The previous prime is 253612017641. The next prime is 253612017683. The reversal of 253612017653 is 356710216352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239436019684 + 14175997969 = 489322^2 + 119063^2 .

It is a cyclic number.

It is not a de Polignac number, because 253612017653 - 2²² = 253607823349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253612017653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253612017683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126806008826 + 126806008827.

It is an arithmetic number, because the mean of its divisors is an integer number (126806008827).

Almost surely, 2^253612017653 is an apocalyptic number.

It is an amenable number.

253612017653 is a deficient number, since it is larger than the sum of its proper divisors (1).

253612017653 is an equidigital number, since it uses as much as digits as its factorization.

253612017653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 253612017653 in words is "two hundred fifty-three billion, six hundred twelve million, seventeen thousand, six hundred fifty-three".