61291241 has 4 divisors (see below), whose sum is σ = 66863184. Its totient is φ = 55719300.

The previous prime is 61291213. The next prime is 61291249. The reversal of 61291241 is 14219216.

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 61291241 - 2⁶ = 61291177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61291241.

It is not an unprimeable number, because it can be changed into a prime (61291249) 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, 2785955 + ... + 2785976.

It is an arithmetic number, because the mean of its divisors is an integer number (16715796).

Almost surely, 2^61291241 is an apocalyptic number.

It is an amenable number.

61291241 is a deficient number, since it is larger than the sum of its proper divisors (5571943).

61291241 is a wasteful number, since it uses less digits than its factorization.

61291241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571942.

The product of its digits is 864, while the sum is 26.

The square root of 61291241 is about 7828.8722687243. The cubic root of 61291241 is about 394.2752099038.

The spelling of 61291241 in words is "sixty-one million, two hundred ninety-one thousand, two hundred forty-one".