64125603 has 6 divisors (see below), whose sum is σ = 92625884. Its totient is φ = 42750396.

The previous prime is 64125569. The next prime is 64125619. The reversal of 64125603 is 30652146.

It is not a de Polignac number, because 64125603 - 2¹⁰ = 64124579 is a prime.

It is a super-2 number, since 2×64125603² = 8224185920227218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64125653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3562525 + ... + 3562542.

Almost surely, 2^64125603 is an apocalyptic number.

64125603 is a deficient number, since it is larger than the sum of its proper divisors (28500281).

64125603 is a wasteful number, since it uses less digits than its factorization.

64125603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125073 (or 7125070 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 64125603 is about 8007.8463396846. The cubic root of 64125603 is about 400.2615019213.

Adding to 64125603 its reverse (30652146), we get a palindrome (94777749).

It can be divided in two parts, 641 and 25603, that added together give a square (26244 = 162²).

The spelling of 64125603 in words is "sixty-four million, one hundred twenty-five thousand, six hundred three".