200502261 has 6 divisors (see below), whose sum is σ = 289614390. Its totient is φ = 133668168.

The previous prime is 200502241. The next prime is 200502287. The reversal of 200502261 is 162205002.

It can be written as a sum of positive squares in only one way, i.e., 158004900 + 42497361 = 12570^2 + 6519^2 .

It is not a de Polignac number, because 200502261 - 2⁵ = 200502229 is a prime.

It is a super-2 number, since 2×200502261² = 80402313332224242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200502221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11139006 + ... + 11139023.

It is an arithmetic number, because the mean of its divisors is an integer number (48269065).

Almost surely, 2^200502261 is an apocalyptic number.

It is an amenable number.

200502261 is a deficient number, since it is larger than the sum of its proper divisors (89112129).

200502261 is a wasteful number, since it uses less digits than its factorization.

200502261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22278035 (or 22278032 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 200502261 is about 14159.8820969668. The cubic root of 200502261 is about 585.2926784430.

Adding to 200502261 its reverse (162205002), we get a palindrome (362707263).

The spelling of 200502261 in words is "two hundred million, five hundred two thousand, two hundred sixty-one".