201494401 has 2 divisors, whose sum is σ = 201494402. Its totient is φ = 201494400.

The previous prime is 201494323. The next prime is 201494413. The reversal of 201494401 is 104494102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130530625 + 70963776 = 11425^2 + 8424^2 .

It is a cyclic number.

It is not a de Polignac number, because 201494401 - 2¹¹ = 201492353 is a prime.

It is not a weakly prime, because it can be changed into another prime (201494441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100747200 + 100747201.

It is an arithmetic number, because the mean of its divisors is an integer number (100747201).

Almost surely, 2^201494401 is an apocalyptic number.

It is an amenable number.

201494401 is a deficient number, since it is larger than the sum of its proper divisors (1).

201494401 is an equidigital number, since it uses as much as digits as its factorization.

201494401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 201494401 is about 14194.8723488448. The cubic root of 201494401 is about 586.2564865175.

The spelling of 201494401 in words is "two hundred one million, four hundred ninety-four thousand, four hundred one".