61334471 has 4 divisors (see below), whose sum is σ = 66910344. Its totient is φ = 55758600.

The previous prime is 61334467. The next prime is 61334473. The reversal of 61334471 is 17443316.

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 61334471 - 2² = 61334467 is a prime.

It is a super-3 number, since 3×61334471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61334473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787920 + ... + 2787941.

It is an arithmetic number, because the mean of its divisors is an integer number (16727586).

Almost surely, 2^61334471 is an apocalyptic number.

61334471 is a deficient number, since it is larger than the sum of its proper divisors (5575873).

61334471 is a wasteful number, since it uses less digits than its factorization.

61334471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575872.

The product of its digits is 6048, while the sum is 29.

The square root of 61334471 is about 7831.6327161072. The cubic root of 61334471 is about 394.3678849818.

Adding to 61334471 its reverse (17443316), we get a palindrome (78777787).

The spelling of 61334471 in words is "sixty-one million, three hundred thirty-four thousand, four hundred seventy-one".