61807241 has 8 divisors (see below), whose sum is σ = 62544768. Its totient is φ = 61074000.

The previous prime is 61807231. The next prime is 61807261. The reversal of 61807241 is 14270816.

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

It is a cyclic number.

It is not a de Polignac number, because 61807241 - 2⁶ = 61807177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61807231) 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, 34631 + ... + 36371.

It is an arithmetic number, because the mean of its divisors is an integer number (7818096).

Almost surely, 2^61807241 is an apocalyptic number.

It is an amenable number.

61807241 is a deficient number, since it is larger than the sum of its proper divisors (737527).

61807241 is a wasteful number, since it uses less digits than its factorization.

61807241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 61807241 is about 7861.7581367020. The cubic root of 61807241 is about 395.3785635272.

The spelling of 61807241 in words is "sixty-one million, eight hundred seven thousand, two hundred forty-one".