52145033 has 4 divisors (see below), whose sum is σ = 52162068. Its totient is φ = 52128000.

The previous prime is 52145029. The next prime is 52145039. The reversal of 52145033 is 33054125.

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 14531344 + 37613689 = 3812^2 + 6133^2 .

It is a cyclic number.

It is not a de Polignac number, because 52145033 - 2² = 52145029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52145039) 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, 2516 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (13040517).

Almost surely, 2^52145033 is an apocalyptic number.

It is an amenable number.

52145033 is a deficient number, since it is larger than the sum of its proper divisors (17035).

52145033 is a wasteful number, since it uses less digits than its factorization.

52145033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17034.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 52145033 is about 7221.1517779368. The cubic root of 52145033 is about 373.5978046487.

Adding to 52145033 its reverse (33054125), we get a palindrome (85199158).

It can be divided in two parts, 521 and 45033, that added together give a palindrome (45554).

The spelling of 52145033 in words is "fifty-two million, one hundred forty-five thousand, thirty-three".