52100207225 has 36 divisors (see below), whose sum is σ = 71084296668. Its totient is φ = 37852108800.

The previous prime is 52100207189. The next prime is 52100207227. The reversal of 52100207225 is 52270200125.

It can be written as a sum of positive squares in 6 ways, for example, as 8584578409 + 43515628816 = 92653^2 + 208604^2 .

It is not a de Polignac number, because 52100207225 - 2²⁸ = 51831771769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52100207194 and 52100207203.

It is not an unprimeable number, because it can be changed into a prime (52100207227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3116489 + ... + 3133161.

Almost surely, 2^52100207225 is an apocalyptic number.

52100207225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52100207225 is a deficient number, since it is larger than the sum of its proper divisors (18984089443).

52100207225 is a wasteful number, since it uses less digits than its factorization.

52100207225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17738 (or 17722 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The spelling of 52100207225 in words is "fifty-two billion, one hundred million, two hundred seven thousand, two hundred twenty-five".