61015060 has 24 divisors (see below), whose sum is σ = 128285640. Its totient is φ = 24376704.

The previous prime is 61015051. The next prime is 61015063. The reversal of 61015060 is 6051016.

It can be written as a sum of positive squares in 4 ways, for example, as 3952144 + 57062916 = 1988^2 + 7554^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61015063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24346 + ... + 26734.

It is an arithmetic number, because the mean of its divisors is an integer number (5345235).

Almost surely, 2^61015060 is an apocalyptic number.

It is an amenable number.

61015060 is an abundant number, since it is smaller than the sum of its proper divisors (67270580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61015060 is a wasteful number, since it uses less digits than its factorization.

61015060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 61015060 is about 7811.2137341133. The cubic root of 61015060 is about 393.6821110804.

Adding to 61015060 its reverse (6051016), we get a palindrome (67066076).

The spelling of 61015060 in words is "sixty-one million, fifteen thousand, sixty".