61051260 has 48 divisors (see below), whose sum is σ = 172116000. Its totient is φ = 16168704.

The previous prime is 61051229. The next prime is 61051297. The reversal of 61051260 is 6215016.

It is a happy number.

It is a congruent number.

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, 5526 + ... + 12354.

It is an arithmetic number, because the mean of its divisors is an integer number (3585750).

Almost surely, 2^61051260 is an apocalyptic number.

61051260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61051260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86058000).

61051260 is an abundant number, since it is smaller than the sum of its proper divisors (111064740).

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

61051260 is a wasteful number, since it uses less digits than its factorization.

61051260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6990 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 61051260 is about 7813.5305720270. The cubic root of 61051260 is about 393.7599523813.

Adding to 61051260 its reverse (6215016), we get a palindrome (67266276).

The spelling of 61051260 in words is "sixty-one million, fifty-one thousand, two hundred sixty".