201400061 has 2 divisors, whose sum is σ = 201400062. Its totient is φ = 201400060.

The previous prime is 201400051. The next prime is 201400093. The reversal of 201400061 is 160004102.

201400061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187005625 + 14394436 = 13675^2 + 3794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201400061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201400051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100700030 + 100700031.

It is an arithmetic number, because the mean of its divisors is an integer number (100700031).

Almost surely, 2^201400061 is an apocalyptic number.

It is an amenable number.

201400061 is a deficient number, since it is larger than the sum of its proper divisors (1).

201400061 is an equidigital number, since it uses as much as digits as its factorization.

201400061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 201400061 is about 14191.5489288520. The cubic root of 201400061 is about 586.1649768270.

Adding to 201400061 its reverse (160004102), we get a palindrome (361404163).

The spelling of 201400061 in words is "two hundred one million, four hundred thousand, sixty-one".