61211041 has 4 divisors (see below), whose sum is σ = 61437184. Its totient is φ = 60984900.

The previous prime is 61211023. The next prime is 61211063. The reversal of 61211041 is 14011216.

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 not a de Polignac number, because 61211041 - 2¹⁷ = 61079969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61211071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112665 + ... + 113206.

It is an arithmetic number, because the mean of its divisors is an integer number (15359296).

Almost surely, 2^61211041 is an apocalyptic number.

It is an amenable number.

61211041 is a deficient number, since it is larger than the sum of its proper divisors (226143).

61211041 is a wasteful number, since it uses less digits than its factorization.

61211041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226142.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 61211041 is about 7823.7485261222. The cubic root of 61211041 is about 394.1031642554.

Adding to 61211041 its reverse (14011216), we get a palindrome (75222257).

The spelling of 61211041 in words is "sixty-one million, two hundred eleven thousand, forty-one".