61336331 has 8 divisors (see below), whose sum is σ = 73146624. Its totient is φ = 50288040.

The previous prime is 61336309. The next prime is 61336333. The reversal of 61336331 is 13363316.

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 61336331 - 2⁶ = 61336267 is a prime.

It is a super-2 number, since 2×61336331² = 7524291001083122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61336331.

It is not an unprimeable number, because it can be changed into a prime (61336333) 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, 190325 + ... + 190646.

It is an arithmetic number, because the mean of its divisors is an integer number (9143328).

Almost surely, 2^61336331 is an apocalyptic number.

61336331 is a deficient number, since it is larger than the sum of its proper divisors (11810293).

61336331 is a wasteful number, since it uses less digits than its factorization.

61336331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381001.

The product of its digits is 2916, while the sum is 26.

The square root of 61336331 is about 7831.7514643916. The cubic root of 61336331 is about 394.3718714124.

Adding to 61336331 its reverse (13363316), we get a palindrome (74699647).

The spelling of 61336331 in words is "sixty-one million, three hundred thirty-six thousand, three hundred thirty-one".