61282943 has 4 divisors (see below), whose sum is σ = 64887840. Its totient is φ = 57678048.

The previous prime is 61282937. The next prime is 61282973. The reversal of 61282943 is 34928216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61282943 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 (61282913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1802423 + ... + 1802456.

It is an arithmetic number, because the mean of its divisors is an integer number (16221960).

Almost surely, 2^61282943 is an apocalyptic number.

61282943 is a deficient number, since it is larger than the sum of its proper divisors (3604897).

61282943 is a wasteful number, since it uses less digits than its factorization.

61282943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604896.

The product of its digits is 20736, while the sum is 35.

The square root of 61282943 is about 7828.3422893995. The cubic root of 61282943 is about 394.2574159347.

The spelling of 61282943 in words is "sixty-one million, two hundred eighty-two thousand, nine hundred forty-three".