61020652 has 48 divisors (see below), whose sum is σ = 135168768. Its totient is φ = 23411520.

The previous prime is 61020643. The next prime is 61020677. The reversal of 61020652 is 25602016.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19158 + ... + 22114.

It is an arithmetic number, because the mean of its divisors is an integer number (2816016).

Almost surely, 2^61020652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61020652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67584384).

61020652 is an abundant number, since it is smaller than the sum of its proper divisors (74148116).

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

61020652 is a wasteful number, since it uses less digits than its factorization.

61020652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 61020652 is about 7811.5716728454. The cubic root of 61020652 is about 393.6941376365.

Adding to 61020652 its reverse (25602016), we get a palindrome (86622668).

The spelling of 61020652 in words is "sixty-one million, twenty thousand, six hundred fifty-two".