61041261 has 8 divisors (see below), whose sum is σ = 81425344. Its totient is φ = 40675680.

The previous prime is 61041257. The next prime is 61041283. The reversal of 61041261 is 16214016.

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

It is not a de Polignac number, because 61041261 - 2² = 61041257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61046261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8001 + ... + 13641.

It is an arithmetic number, because the mean of its divisors is an integer number (10178168).

Almost surely, 2^61041261 is an apocalyptic number.

It is an amenable number.

61041261 is a deficient number, since it is larger than the sum of its proper divisors (20384083).

61041261 is a wasteful number, since it uses less digits than its factorization.

61041261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 61041261 is about 7812.8906942309. The cubic root of 61041261 is about 393.7384544864.

Adding to 61041261 its reverse (16214016), we get a palindrome (77255277).

The spelling of 61041261 in words is "sixty-one million, forty-one thousand, two hundred sixty-one".