61610650 has 12 divisors (see below), whose sum is σ = 114595902. Its totient is φ = 24644240.

The previous prime is 61610641. The next prime is 61610657. The reversal of 61610650 is 5601616.

61610650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 32114889 + 29495761 = 5667^2 + 5431^2 .

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 (61610657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616057 + ... + 616156.

Almost surely, 2^61610650 is an apocalyptic number.

61610650 is a deficient number, since it is larger than the sum of its proper divisors (52985252).

61610650 is a wasteful number, since it uses less digits than its factorization.

61610650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232225 (or 1232220 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 61610650 is about 7849.2451866406. The cubic root of 61610650 is about 394.9589232508.

The spelling of 61610650 in words is "sixty-one million, six hundred ten thousand, six hundred fifty".