61015028 has 12 divisors (see below), whose sum is σ = 107722020. Its totient is φ = 30237312.

The previous prime is 61015013. The next prime is 61015049. The reversal of 61015028 is 82051016.

61015028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27583504 + 33431524 = 5252^2 + 5782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61014994 and 61015012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67043 + ... + 67946.

It is an arithmetic number, because the mean of its divisors is an integer number (8976835).

Almost surely, 2^61015028 is an apocalyptic number.

It is an amenable number.

61015028 is a deficient number, since it is larger than the sum of its proper divisors (46706992).

61015028 is a wasteful number, since it uses less digits than its factorization.

61015028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135106 (or 135104 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 61015028 is about 7811.2116857758. The cubic root of 61015028 is about 393.6820422568.

The spelling of 61015028 in words is "sixty-one million, fifteen thousand, twenty-eight".