61332305 has 4 divisors (see below), whose sum is σ = 73598772. Its totient is φ = 49065840.

The previous prime is 61332301. The next prime is 61332307. The reversal of 61332305 is 50323316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22743361 + 38588944 = 4769^2 + 6212^2 .

It is not a de Polignac number, because 61332305 - 2² = 61332301 is a prime.

It is a super-2 number, since 2×61332305² = 7523303273226050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61332301) 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, 6133226 + ... + 6133235.

It is an arithmetic number, because the mean of its divisors is an integer number (18399693).

Almost surely, 2^61332305 is an apocalyptic number.

It is an amenable number.

61332305 is a deficient number, since it is larger than the sum of its proper divisors (12266467).

61332305 is a wasteful number, since it uses less digits than its factorization.

61332305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12266466.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 61332305 is about 7831.4944295454. The cubic root of 61332305 is about 394.3632426174.

The spelling of 61332305 in words is "sixty-one million, three hundred thirty-two thousand, three hundred five".