10257603258253 has 4 divisors (see below), whose sum is σ = 11046649662748. Its totient is φ = 9468556853760.

The previous prime is 10257603258251. The next prime is 10257603258277. The reversal of 10257603258253 is 35285230675201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6185432624809 + 4072170633444 = 2487053^2 + 2017962^2 .

It is a cyclic number.

It is not a de Polignac number, because 10257603258253 - 2¹ = 10257603258251 is a prime.

It is a super-2 number, since 2×10257603258253² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10257603258197 and 10257603258206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10257603258251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394523202228 + ... + 394523202253.

It is an arithmetic number, because the mean of its divisors is an integer number (2761662415687).

Almost surely, 2^{10257603258253} is an apocalyptic number.

10257603258253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10257603258253 is a deficient number, since it is larger than the sum of its proper divisors (789046404495).

10257603258253 is an equidigital number, since it uses as much as digits as its factorization.

10257603258253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789046404494.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 10257603258253 in words is "ten trillion, two hundred fifty-seven billion, six hundred three million, two hundred fifty-eight thousand, two hundred fifty-three".