61015442 has 16 divisors (see below), whose sum is σ = 94225560. Its totient is φ = 29611008.

The previous prime is 61015429. The next prime is 61015453. The reversal of 61015442 is 24451016.

It can be written as a sum of positive squares in 4 ways, for example, as 60668521 + 346921 = 7789^2 + 589^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41984 + ... + 43412.

Almost surely, 2^61015442 is an apocalyptic number.

61015442 is a deficient number, since it is larger than the sum of its proper divisors (33210118).

61015442 is a wasteful number, since it uses less digits than its factorization.

61015442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 61015442 is about 7811.2381861008. The cubic root of 61015442 is about 393.6829326604.

Adding to 61015442 its reverse (24451016), we get a palindrome (85466458).

The spelling of 61015442 in words is "sixty-one million, fifteen thousand, four hundred forty-two".