61463560 has 16 divisors (see below), whose sum is σ = 138293100. Its totient is φ = 24585408.

The previous prime is 61463527. The next prime is 61463573. The reversal of 61463560 is 6536416.

It can be written as a sum of positive squares in 2 ways, for example, as 49533444 + 11930116 = 7038^2 + 3454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768255 + ... + 768334.

Almost surely, 2^61463560 is an apocalyptic number.

It is an amenable number.

61463560 is an abundant number, since it is smaller than the sum of its proper divisors (76829540).

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

61463560 is a wasteful number, since it uses less digits than its factorization.

61463560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536600 (or 1536596 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 61463560 is about 7839.8698968797. The cubic root of 61463560 is about 394.6443629095.

Adding to 61463560 its reverse (6536416), we get a palindrome (67999976).

The spelling of 61463560 in words is "sixty-one million, four hundred sixty-three thousand, five hundred sixty".