61824141 has 10 divisors (see below), whose sum is σ = 92354702. Its totient is φ = 41216040.

The previous prime is 61824109. The next prime is 61824149. The reversal of 61824141 is 14142816.

It is a happy number.

61824141 is a `hidden beast` number, since 618 + 2 + 4 + 1 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61168041 + 656100 = 7821^2 + 810^2 .

It is not a de Polignac number, because 61824141 - 2⁵ = 61824109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61824149) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 381550 + ... + 381711.

Almost surely, 2^61824141 is an apocalyptic number.

It is an amenable number.

61824141 is a deficient number, since it is larger than the sum of its proper divisors (30530561).

61824141 is an equidigital number, since it uses as much as digits as its factorization.

61824141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763273 (or 763264 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 61824141 is about 7862.8328864348. The cubic root of 61824141 is about 395.4145964617.

Adding to 61824141 its reverse (14142816), we get a palindrome (75966957).

The spelling of 61824141 in words is "sixty-one million, eight hundred twenty-four thousand, one hundred forty-one".