202730461 has 2 divisors, whose sum is σ = 202730462. Its totient is φ = 202730460.

The previous prime is 202730449. The next prime is 202730467. The reversal of 202730461 is 164037202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170172025 + 32558436 = 13045^2 + 5706^2 .

It is a cyclic number.

It is not a de Polignac number, because 202730461 - 2⁹ = 202729949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202730467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101365230 + 101365231.

It is an arithmetic number, because the mean of its divisors is an integer number (101365231).

Almost surely, 2^202730461 is an apocalyptic number.

It is an amenable number.

202730461 is a deficient number, since it is larger than the sum of its proper divisors (1).

202730461 is an equidigital number, since it uses as much as digits as its factorization.

202730461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 202730461 is about 14238.3447422796. The cubic root of 202730461 is about 587.4528331532.

Adding to 202730461 its reverse (164037202), we get a palindrome (366767663).

The spelling of 202730461 in words is "two hundred two million, seven hundred thirty thousand, four hundred sixty-one".