61087300 has 36 divisors (see below), whose sum is σ = 132905556. Its totient is φ = 24371200.

The previous prime is 61087297. The next prime is 61087309. The reversal of 61087300 is 378016.

It can be written as a sum of positive squares in 6 ways, for example, as 153664 + 60933636 = 392^2 + 7806^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (61087309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63624 + ... + 64576.

It is an arithmetic number, because the mean of its divisors is an integer number (3691821).

Almost surely, 2^61087300 is an apocalyptic number.

It is an amenable number.

61087300 is an abundant number, since it is smaller than the sum of its proper divisors (71818256).

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

61087300 is a wasteful number, since it uses less digits than its factorization.

61087300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 61087300 is about 7815.8364875425. The cubic root of 61087300 is about 393.8374190716.

The spelling of 61087300 in words is "sixty-one million, eighty-seven thousand, three hundred".