61259560 has 32 divisors (see below), whose sum is σ = 139064040. Its totient is φ = 24285184.

The previous prime is 61259543. The next prime is 61259579. The reversal of 61259560 is 6595216.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39413284 + 21846276 = 6278^2 + 4674^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2257 + ... + 11296.

Almost surely, 2^61259560 is an apocalyptic number.

It is an amenable number.

61259560 is an abundant number, since it is smaller than the sum of its proper divisors (77804480).

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

61259560 is a wasteful number, since it uses less digits than its factorization.

61259560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677 (or 13673 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 61259560 is about 7826.8486634149. The cubic root of 61259560 is about 394.2072655260.

The spelling of 61259560 in words is "sixty-one million, two hundred fifty-nine thousand, five hundred sixty".