61343260 has 48 divisors (see below), whose sum is σ = 143210592. Its totient is φ = 21881600.

The previous prime is 61343251. The next prime is 61343273. The reversal of 61343260 is 6234316.

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, 9030 + ... + 14290.

It is an arithmetic number, because the mean of its divisors is an integer number (2983554).

Almost surely, 2^61343260 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 61343260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71605296).

61343260 is an abundant number, since it is smaller than the sum of its proper divisors (81867332).

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

61343260 is a wasteful number, since it uses less digits than its factorization.

61343260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334 (or 5332 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 61343260 is about 7832.1938178265. The cubic root of 61343260 is about 394.3867212291.

Adding to 61343260 its reverse (6234316), we get a palindrome (67577576).

The spelling of 61343260 in words is "sixty-one million, three hundred forty-three thousand, two hundred sixty".