61442241 has 8 divisors (see below), whose sum is σ = 93626304. Its totient is φ = 35109840.

The previous prime is 61442209. The next prime is 61442243. The reversal of 61442241 is 14224416.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61442241 - 2⁵ = 61442209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61442243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462890 + ... + 1462931.

It is an arithmetic number, because the mean of its divisors is an integer number (11703288).

Almost surely, 2^61442241 is an apocalyptic number.

It is an amenable number.

61442241 is a deficient number, since it is larger than the sum of its proper divisors (32184063).

61442241 is a wasteful number, since it uses less digits than its factorization.

61442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925831.

The product of its digits is 1536, while the sum is 24.

The square root of 61442241 is about 7838.5101262931. The cubic root of 61442241 is about 394.5987293877.

Adding to 61442241 its reverse (14224416), we get a palindrome (75666657).

It can be divided in two parts, 6144 and 2241, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 61442241 in words is "sixty-one million, four hundred forty-two thousand, two hundred forty-one".