210260461 has 2 divisors, whose sum is σ = 210260462. Its totient is φ = 210260460.

The previous prime is 210260459. The next prime is 210260467. The reversal of 210260461 is 164062012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142922025 + 67338436 = 11955^2 + 8206^2 .

It is a cyclic number.

It is not a de Polignac number, because 210260461 - 2¹ = 210260459 is a prime.

It is a super-2 number, since 2×210260461² = 88418922919865042, which contains 22 as substring.

Together with 210260459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210260467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105130230 + 105130231.

It is an arithmetic number, because the mean of its divisors is an integer number (105130231).

Almost surely, 2^210260461 is an apocalyptic number.

It is an amenable number.

210260461 is a deficient number, since it is larger than the sum of its proper divisors (1).

210260461 is an equidigital number, since it uses as much as digits as its factorization.

210260461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 210260461 is about 14500.3607196511. The cubic root of 210260461 is about 594.6378334097.

The spelling of 210260461 in words is "two hundred ten million, two hundred sixty thousand, four hundred sixty-one".