64133353 has 4 divisors (see below), whose sum is σ = 64906128. Its totient is φ = 63360580.

The previous prime is 64133351. The next prime is 64133357. The reversal of 64133353 is 35333146.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35333146 = 2 ⋅17666573.

It is a cyclic number.

It is not a de Polignac number, because 64133353 - 2¹ = 64133351 is a prime.

It is a super-2 number, since 2×64133353² = 8226173934045218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64133351) 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, 386263 + ... + 386428.

It is an arithmetic number, because the mean of its divisors is an integer number (16226532).

Almost surely, 2^64133353 is an apocalyptic number.

It is an amenable number.

64133353 is a deficient number, since it is larger than the sum of its proper divisors (772775).

64133353 is an equidigital number, since it uses as much as digits as its factorization.

64133353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772774.

The product of its digits is 9720, while the sum is 28.

The square root of 64133353 is about 8008.3302254590. The cubic root of 64133353 is about 400.2776260149.

Adding to 64133353 its reverse (35333146), we get a palindrome (99466499).

The spelling of 64133353 in words is "sixty-four million, one hundred thirty-three thousand, three hundred fifty-three".