208895461 has 2 divisors, whose sum is σ = 208895462. Its totient is φ = 208895460.

The previous prime is 208895429. The next prime is 208895501. The reversal of 208895461 is 164598802.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117310561 + 91584900 = 10831^2 + 9570^2 .

It is a cyclic number.

It is not a de Polignac number, because 208895461 - 2⁵ = 208895429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208895761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104447730 + 104447731.

It is an arithmetic number, because the mean of its divisors is an integer number (104447731).

Almost surely, 2^208895461 is an apocalyptic number.

It is an amenable number.

208895461 is a deficient number, since it is larger than the sum of its proper divisors (1).

208895461 is an equidigital number, since it uses as much as digits as its factorization.

208895461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 208895461 is about 14453.2162856577. The cubic root of 208895461 is about 593.3482527565.

The spelling of 208895461 in words is "two hundred eight million, eight hundred ninety-five thousand, four hundred sixty-one".