64503153 has 24 divisors (see below), whose sum is σ = 109462080. Its totient is φ = 36084960.

The previous prime is 64503137. The next prime is 64503181. The reversal of 64503153 is 35130546.

64503153 is a `hidden beast` number, since 6 + 4 + 503 + 153 = 666.

It is not a de Polignac number, because 64503153 - 2⁴ = 64503137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64503113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23773 + ... + 26346.

It is an arithmetic number, because the mean of its divisors is an integer number (4560920).

Almost surely, 2^64503153 is an apocalyptic number.

It is an amenable number.

64503153 is a deficient number, since it is larger than the sum of its proper divisors (44958927).

64503153 is a wasteful number, since it uses less digits than its factorization.

64503153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50149 (or 50146 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 64503153 is about 8031.3854969115. The cubic root of 64503153 is about 401.0455003583.

Adding to 64503153 its reverse (35130546), we get a palindrome (99633699).

The spelling of 64503153 in words is "sixty-four million, five hundred three thousand, one hundred fifty-three".