253203102345245 has 32 divisors (see below), whose sum is σ = 332896202251872. Its totient is φ = 183753597468672.

The previous prime is 253203102345239. The next prime is 253203102345287. The reversal of 253203102345245 is 542543201302352.

It can be written as a sum of positive squares in 16 ways, for example, as 48267214346521 + 204935887998724 = 6947461^2 + 14315582^2 .

It is not a de Polignac number, because 253203102345245 - 2⁴⁶ = 182834358167581 is a prime.

It is a super-2 number, since 2×253203102345245² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 95007092 + ... + 97635821.

It is an arithmetic number, because the mean of its divisors is an integer number (10403006320371).

Almost surely, 2^{253203102345245} is an apocalyptic number.

It is an amenable number.

253203102345245 is a deficient number, since it is larger than the sum of its proper divisors (79693099906627).

253203102345245 is a wasteful number, since it uses less digits than its factorization.

253203102345245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192643281.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 253203102345245 its reverse (542543201302352), we get a palindrome (795746303647597).

The spelling of 253203102345245 in words is "two hundred fifty-three trillion, two hundred three billion, one hundred two million, three hundred forty-five thousand, two hundred forty-five".