61305308 has 12 divisors (see below), whose sum is σ = 108068352. Its totient is φ = 30428640.

The previous prime is 61305301. The next prime is 61305311. The reversal of 61305308 is 80350316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61305301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55388 + ... + 56483.

It is an arithmetic number, because the mean of its divisors is an integer number (9005696).

Almost surely, 2^61305308 is an apocalyptic number.

It is an amenable number.

61305308 is a deficient number, since it is larger than the sum of its proper divisors (46763044).

61305308 is a wasteful number, since it uses less digits than its factorization.

61305308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112012 (or 112010 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 61305308 is about 7829.7706224384. The cubic root of 61305308 is about 394.3053710657.

The spelling of 61305308 in words is "sixty-one million, three hundred five thousand, three hundred eight".