61306955 has 8 divisors (see below), whose sum is σ = 74956752. Its totient is φ = 48119968.

The previous prime is 61306951. The next prime is 61306967. The reversal of 61306955 is 55960316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61306955 - 2² = 61306951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61306951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115409 + ... + 115938.

It is an arithmetic number, because the mean of its divisors is an integer number (9369594).

Almost surely, 2^61306955 is an apocalyptic number.

61306955 is a deficient number, since it is larger than the sum of its proper divisors (13649797).

61306955 is a wasteful number, since it uses less digits than its factorization.

61306955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231405.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 61306955 is about 7829.8757972269. The cubic root of 61306955 is about 394.3089021092.

The spelling of 61306955 in words is "sixty-one million, three hundred six thousand, nine hundred fifty-five".