52145333 has 2 divisors, whose sum is σ = 52145334. Its totient is φ = 52145332.

The previous prime is 52145323. The next prime is 52145339. The reversal of 52145333 is 33354125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47914084 + 4231249 = 6922^2 + 2057^2 .

It is a cyclic number.

It is not a de Polignac number, because 52145333 - 2¹⁸ = 51883189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52145339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26072666 + 26072667.

It is an arithmetic number, because the mean of its divisors is an integer number (26072667).

Almost surely, 2^52145333 is an apocalyptic number.

It is an amenable number.

52145333 is a deficient number, since it is larger than the sum of its proper divisors (1).

52145333 is an equidigital number, since it uses as much as digits as its factorization.

52145333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 26.

The square root of 52145333 is about 7221.1725502165. The cubic root of 52145333 is about 373.5985211063.

Adding to 52145333 its reverse (33354125), we get a palindrome (85499458).

It can be divided in two parts, 521 and 45333, that added together give a palindrome (45854).

The spelling of 52145333 in words is "fifty-two million, one hundred forty-five thousand, three hundred thirty-three".