61159741 has 4 divisors (see below), whose sum is σ = 62651484. Its totient is φ = 59668000.

The previous prime is 61159729. The next prime is 61159789. The reversal of 61159741 is 14795116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10536516 + 50623225 = 3246^2 + 7115^2 .

It is a cyclic number.

It is not a de Polignac number, because 61159741 - 2¹¹ = 61157693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61159697 and 61159706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61154741) 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, 745810 + ... + 745891.

It is an arithmetic number, because the mean of its divisors is an integer number (15662871).

Almost surely, 2^61159741 is an apocalyptic number.

It is an amenable number.

61159741 is a deficient number, since it is larger than the sum of its proper divisors (1491743).

61159741 is a wasteful number, since it uses less digits than its factorization.

61159741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491742.

The product of its digits is 7560, while the sum is 34.

The square root of 61159741 is about 7820.4693593160. The cubic root of 61159741 is about 393.9930362860.

The spelling of 61159741 in words is "sixty-one million, one hundred fifty-nine thousand, seven hundred forty-one".