64625003 has 2 divisors, whose sum is σ = 64625004. Its totient is φ = 64625002.

The previous prime is 64624997. The next prime is 64625027. The reversal of 64625003 is 30052646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64625003 - 2²⁰ = 63576427 is a prime.

It is not a weakly prime, because it can be changed into another prime (64625053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32312501 + 32312502.

It is an arithmetic number, because the mean of its divisors is an integer number (32312502).

Almost surely, 2^64625003 is an apocalyptic number.

64625003 is a deficient number, since it is larger than the sum of its proper divisors (1).

64625003 is an equidigital number, since it uses as much as digits as its factorization.

64625003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 64625003 is about 8038.9677819979. The cubic root of 64625003 is about 401.2978738374.

Adding to 64625003 its reverse (30052646), we get a palindrome (94677649).

The spelling of 64625003 in words is "sixty-four million, six hundred twenty-five thousand, three".