64525033 has 4 divisors (see below), whose sum is σ = 64728900. Its totient is φ = 64321168.

The previous prime is 64524991. The next prime is 64525037. The reversal of 64525033 is 33052546.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33052546 = 2 ⋅16526273.

It can be written as a sum of positive squares in 2 ways, for example, as 9809424 + 54715609 = 3132^2 + 7397^2 .

It is a cyclic number.

It is not a de Polignac number, because 64525033 - 2⁹ = 64524521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64524992 and 64525010.

It is not an unprimeable number, because it can be changed into a prime (64525037) 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, 101458 + ... + 102091.

It is an arithmetic number, because the mean of its divisors is an integer number (16182225).

Almost surely, 2^64525033 is an apocalyptic number.

It is an amenable number.

64525033 is a deficient number, since it is larger than the sum of its proper divisors (203867).

64525033 is a wasteful number, since it uses less digits than its factorization.

64525033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203866.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 64525033 is about 8032.7475374245. The cubic root of 64525033 is about 401.0908412094.

Adding to 64525033 its reverse (33052546), we get a palindrome (97577579).

The spelling of 64525033 in words is "sixty-four million, five hundred twenty-five thousand, thirty-three".