61436201 has 4 divisors (see below), whose sum is σ = 61779600. Its totient is φ = 61092804.

The previous prime is 61436171. The next prime is 61436213. The reversal of 61436201 is 10263416.

It is a happy number.

61436201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61436201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61436231) 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 3 ways as a sum of consecutive naturals, for example, 171431 + ... + 171788.

It is an arithmetic number, because the mean of its divisors is an integer number (15444900).

Almost surely, 2^61436201 is an apocalyptic number.

It is an amenable number.

61436201 is a deficient number, since it is larger than the sum of its proper divisors (343399).

61436201 is a wasteful number, since it uses less digits than its factorization.

61436201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343398.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61436201 is about 7838.1248395264. The cubic root of 61436201 is about 394.5857987915.

Adding to 61436201 its reverse (10263416), we get a palindrome (71699617).

The spelling of 61436201 in words is "sixty-one million, four hundred thirty-six thousand, two hundred one".