64528453 has 12 divisors (see below), whose sum is σ = 73220224. Its totient is φ = 56766600.

The previous prime is 64528439. The next prime is 64528463. The reversal of 64528453 is 35482546.

It is not a de Polignac number, because 64528453 - 2¹⁷ = 64397381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64528463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4851 + ... + 12352.

Almost surely, 2^64528453 is an apocalyptic number.

It is an amenable number.

64528453 is a deficient number, since it is larger than the sum of its proper divisors (8691771).

64528453 is a wasteful number, since it uses less digits than its factorization.

64528453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17256 (or 17245 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 64528453 is about 8032.9604131976. The cubic root of 64528453 is about 401.0979273814.

The spelling of 64528453 in words is "sixty-four million, five hundred twenty-eight thousand, four hundred fifty-three".