61305316 has 6 divisors (see below), whose sum is σ = 107284310. Its totient is φ = 30652656.

The previous prime is 61305311. The next prime is 61305323. The reversal of 61305316 is 61350316.

It can be written as a sum of positive squares in only one way, i.e., 51065316 + 10240000 = 7146^2 + 3200^2 .

It is not an unprimeable number, because it can be changed into a prime (61305311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7663161 + ... + 7663168.

Almost surely, 2^61305316 is an apocalyptic number.

It is an amenable number.

61305316 is a deficient number, since it is larger than the sum of its proper divisors (45978994).

61305316 is a wasteful number, since it uses less digits than its factorization.

61305316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15326333 (or 15326331 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 61305316 is about 7829.7711333091. The cubic root of 61305316 is about 394.3053882172.

The spelling of 61305316 in words is "sixty-one million, three hundred five thousand, three hundred sixteen".