202112544625 has 8 divisors (see below), whose sum is σ = 252236455848. Its totient is φ = 161690035600.

The previous prime is 202112544577. The next prime is 202112544637. The reversal of 202112544625 is 526445211202.

It can be written as a sum of positive squares in 4 ways, for example, as 5862658624 + 196249886001 = 76568^2 + 443001^2 .

It is not a de Polignac number, because 202112544625 - 2⁷ = 202112544497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808450054 + ... + 808450303.

It is an arithmetic number, because the mean of its divisors is an integer number (31529556981).

Almost surely, 2^202112544625 is an apocalyptic number.

202112544625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202112544625 is a deficient number, since it is larger than the sum of its proper divisors (50123911223).

202112544625 is an equidigital number, since it uses as much as digits as its factorization.

202112544625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616900372 (or 1616900362 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 202112544625 its reverse (526445211202), we get a palindrome (728557755827).

The spelling of 202112544625 in words is "two hundred two billion, one hundred twelve million, five hundred forty-four thousand, six hundred twenty-five".