64503051 has 8 divisors (see below), whose sum is σ = 86315664. Its totient is φ = 42846240.

The previous prime is 64503037. The next prime is 64503077. The reversal of 64503051 is 15030546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64503051 - 2⁶ = 64502987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64503251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37980 + ... + 39641.

It is an arithmetic number, because the mean of its divisors is an integer number (10789458).

Almost surely, 2^64503051 is an apocalyptic number.

64503051 is a deficient number, since it is larger than the sum of its proper divisors (21812613).

64503051 is a wasteful number, since it uses less digits than its factorization.

64503051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77901.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 64503051 is about 8031.3791468215. The cubic root of 64503051 is about 401.0452889647.

Adding to 64503051 its reverse (15030546), we get a palindrome (79533597).

The spelling of 64503051 in words is "sixty-four million, five hundred three thousand, fifty-one".