61404201 has 24 divisors (see below), whose sum is σ = 92079624. Its totient is φ = 39398400.

The previous prime is 61404199. The next prime is 61404209. The reversal of 61404201 is 10240416.

61404201 is a `hidden beast` number, since 61 + 404 + 201 = 666.

61404201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7160976 + 54243225 = 2676^2 + 7365^2 .

It is not a de Polignac number, because 61404201 - 2¹ = 61404199 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61404209) 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 in 23 ways as a sum of consecutive naturals, for example, 31351 + ... + 33251.

It is an arithmetic number, because the mean of its divisors is an integer number (3836651).

Almost surely, 2^61404201 is an apocalyptic number.

It is an amenable number.

61404201 is a deficient number, since it is larger than the sum of its proper divisors (30675423).

61404201 is a wasteful number, since it uses less digits than its factorization.

61404201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 61404201 is about 7836.0832690828. The cubic root of 61404201 is about 394.5172781784.

Adding to 61404201 its reverse (10240416), we get a palindrome (71644617).

The spelling of 61404201 in words is "sixty-one million, four hundred four thousand, two hundred one".