61662341 has 4 divisors (see below), whose sum is σ = 66405612. Its totient is φ = 56919072.

The previous prime is 61662331. The next prime is 61662347. The reversal of 61662341 is 14326616.

It is a happy number.

61662341 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.

It can be written as a sum of positive squares in 2 ways, for example, as 40271716 + 21390625 = 6346^2 + 4625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61662341 is a prime.

It is a super-3 number, since 3×61662341³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61662347) 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, 2371616 + ... + 2371641.

It is an arithmetic number, because the mean of its divisors is an integer number (16601403).

Almost surely, 2^61662341 is an apocalyptic number.

It is an amenable number.

61662341 is a deficient number, since it is larger than the sum of its proper divisors (4743271).

61662341 is a wasteful number, since it uses less digits than its factorization.

61662341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743270.

The product of its digits is 5184, while the sum is 29.

The square root of 61662341 is about 7852.5372332769. The cubic root of 61662341 is about 395.0693485034.

Adding to 61662341 its reverse (14326616), we get a palindrome (75988957).

The spelling of 61662341 in words is "sixty-one million, six hundred sixty-two thousand, three hundred forty-one".