61052860 has 24 divisors (see below), whose sum is σ = 139867056. Its totient is φ = 22200960.

The previous prime is 61052851. The next prime is 61052869. The reversal of 61052860 is 6825016.

It is an interprime number because it is at equal distance from previous prime (61052851) and next prime (61052869).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61052869) 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, 138537 + ... + 138976.

It is an arithmetic number, because the mean of its divisors is an integer number (5827794).

Almost surely, 2^61052860 is an apocalyptic number.

It is an amenable number.

61052860 is an abundant number, since it is smaller than the sum of its proper divisors (78814196).

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

61052860 is a wasteful number, since it uses less digits than its factorization.

61052860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277533 (or 277531 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 61052860 is about 7813.6329578500. The cubic root of 61052860 is about 393.7633921707.

Adding to 61052860 its reverse (6825016), we get a palindrome (67877876).

The spelling of 61052860 in words is "sixty-one million, fifty-two thousand, eight hundred sixty".