61328335 has 4 divisors (see below), whose sum is σ = 73594008. Its totient is φ = 49062664.

The previous prime is 61328321. The next prime is 61328357. The reversal of 61328335 is 53382316.

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

It is a cyclic number.

It is not a de Polignac number, because 61328335 - 2⁵ = 61328303 is a prime.

It is a super-2 number, since 2×61328335² = 7522329347744450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61328297 and 61328306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6132829 + ... + 6132838.

It is an arithmetic number, because the mean of its divisors is an integer number (18398502).

Almost surely, 2^61328335 is an apocalyptic number.

61328335 is a deficient number, since it is larger than the sum of its proper divisors (12265673).

61328335 is a wasteful number, since it uses less digits than its factorization.

61328335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265672.

The product of its digits is 12960, while the sum is 31.

The square root of 61328335 is about 7831.2409616867. The cubic root of 61328335 is about 394.3547334755.

The spelling of 61328335 in words is "sixty-one million, three hundred twenty-eight thousand, three hundred thirty-five".