202441891 has 2 divisors, whose sum is σ = 202441892. Its totient is φ = 202441890.

The previous prime is 202441879. The next prime is 202441901. The reversal of 202441891 is 198144202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202441891 - 2¹⁷ = 202310819 is a prime.

It is not a weakly prime, because it can be changed into another prime (202441801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101220945 + 101220946.

It is an arithmetic number, because the mean of its divisors is an integer number (101220946).

Almost surely, 2^202441891 is an apocalyptic number.

202441891 is a deficient number, since it is larger than the sum of its proper divisors (1).

202441891 is an equidigital number, since it uses as much as digits as its factorization.

202441891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 202441891 is about 14228.2075821236. The cubic root of 202441891 is about 587.1739706674.

The spelling of 202441891 in words is "two hundred two million, four hundred forty-one thousand, eight hundred ninety-one".