200156725 has 12 divisors (see below), whose sum is σ = 262794564. Its totient is φ = 150705920.

The previous prime is 200156683. The next prime is 200156743. The reversal of 200156725 is 527651002.

It can be written as a sum of positive squares in 6 ways, for example, as 26286129 + 173870596 = 5127^2 + 13186^2 .

It is a de Polignac number, because none of the positive numbers 2^k-200156725 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200156693 and 200156702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235054 + ... + 235903.

It is an arithmetic number, because the mean of its divisors is an integer number (21899547).

Almost surely, 2^200156725 is an apocalyptic number.

200156725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200156725 is a deficient number, since it is larger than the sum of its proper divisors (62637839).

200156725 is a wasteful number, since it uses less digits than its factorization.

200156725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470984 (or 470979 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 200156725 is about 14147.6756041408. The cubic root of 200156725 is about 584.9562633189.

The spelling of 200156725 in words is "two hundred million, one hundred fifty-six thousand, seven hundred twenty-five".