61042042 has 16 divisors (see below), whose sum is σ = 95477760. Its totient is φ = 29233008.

The previous prime is 61042021. The next prime is 61042057. The reversal of 61042042 is 24024016.

It is a super-2 number, since 2×61042042² = 7452261783059528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3223 + ... + 11509.

It is an arithmetic number, because the mean of its divisors is an integer number (5967360).

Almost surely, 2^61042042 is an apocalyptic number.

61042042 is a deficient number, since it is larger than the sum of its proper divisors (34435718).

61042042 is a wasteful number, since it uses less digits than its factorization.

61042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 61042042 is about 7812.9406755715. The cubic root of 61042042 is about 393.7401337244.

Adding to 61042042 its reverse (24024016), we get a palindrome (85066058).

The spelling of 61042042 in words is "sixty-one million, forty-two thousand, forty-two".