64152503 has 4 divisors (see below), whose sum is σ = 64964640. Its totient is φ = 63340368.

The previous prime is 64152499. The next prime is 64152511. The reversal of 64152503 is 30525146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64152503 - 2² = 64152499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64152563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405950 + ... + 406107.

It is an arithmetic number, because the mean of its divisors is an integer number (16241160).

Almost surely, 2^64152503 is an apocalyptic number.

64152503 is a deficient number, since it is larger than the sum of its proper divisors (812137).

64152503 is an equidigital number, since it uses as much as digits as its factorization.

64152503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812136.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 64152503 is about 8009.5257662361. The cubic root of 64152503 is about 400.3174625605.

Adding to 64152503 its reverse (30525146), we get a palindrome (94677649).

The spelling of 64152503 in words is "sixty-four million, one hundred fifty-two thousand, five hundred three".