61544241 has 24 divisors (see below), whose sum is σ = 97381440. Its totient is φ = 37144800.

The previous prime is 61544237. The next prime is 61544279. The reversal of 61544241 is 14244516.

61544241 is a `hidden beast` number, since 615 + 4 + 4 + 2 + 41 = 666.

It is not a de Polignac number, because 61544241 - 2² = 61544237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61544221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25476 + ... + 27786.

It is an arithmetic number, because the mean of its divisors is an integer number (4057560).

Almost surely, 2^61544241 is an apocalyptic number.

It is an amenable number.

61544241 is a deficient number, since it is larger than the sum of its proper divisors (35837199).

61544241 is a wasteful number, since it uses less digits than its factorization.

61544241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597 (or 2594 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 61544241 is about 7845.0137667183. The cubic root of 61544241 is about 394.8169658855.

Adding to 61544241 its reverse (14244516), we get a palindrome (75788757).

The spelling of 61544241 in words is "sixty-one million, five hundred forty-four thousand, two hundred forty-one".