61283842 has 4 divisors (see below), whose sum is σ = 91925766. Its totient is φ = 30641920.

The previous prime is 61283839. The next prime is 61283857. The reversal of 61283842 is 24838216.

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

It can be written as a sum of positive squares in only one way, i.e., 52693081 + 8590761 = 7259^2 + 2931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61283798 and 61283807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15320959 + ... + 15320962.

Almost surely, 2^61283842 is an apocalyptic number.

61283842 is a deficient number, since it is larger than the sum of its proper divisors (30641924).

61283842 is a wasteful number, since it uses less digits than its factorization.

61283842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30641923.

The product of its digits is 18432, while the sum is 34.

The square root of 61283842 is about 7828.3997087527. The cubic root of 61283842 is about 394.2593437995.

The spelling of 61283842 in words is "sixty-one million, two hundred eighty-three thousand, eight hundred forty-two".