52471333 has 4 divisors (see below), whose sum is σ = 55557900. Its totient is φ = 49384768.

The previous prime is 52471301. The next prime is 52471337. The reversal of 52471333 is 33317425.

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 32695524 + 19775809 = 5718^2 + 4447^2 .

It is a cyclic number.

It is not a de Polignac number, because 52471333 - 2⁵ = 52471301 is a prime.

It is a super-3 number, since 3×52471333³ (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 (52471337) 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, 1543258 + ... + 1543291.

It is an arithmetic number, because the mean of its divisors is an integer number (13889475).

Almost surely, 2^52471333 is an apocalyptic number.

It is an amenable number.

52471333 is a deficient number, since it is larger than the sum of its proper divisors (3086567).

52471333 is a wasteful number, since it uses less digits than its factorization.

52471333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086566.

The product of its digits is 7560, while the sum is 28.

The square root of 52471333 is about 7243.7098920374. The cubic root of 52471333 is about 374.3754534588.

Adding to 52471333 its reverse (33317425), we get a palindrome (85788758).

The spelling of 52471333 in words is "fifty-two million, four hundred seventy-one thousand, three hundred thirty-three".