64250003 has 4 divisors (see below), whose sum is σ = 64273008. Its totient is φ = 64227000.

The previous prime is 64249981. The next prime is 64250009. The reversal of 64250003 is 30005246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30005246 = 2 ⋅15002623.

It is a cyclic number.

It is not a de Polignac number, because 64250003 - 2¹⁴ = 64233619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64250009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 13128.

It is an arithmetic number, because the mean of its divisors is an integer number (16068252).

Almost surely, 2^64250003 is an apocalyptic number.

64250003 is a deficient number, since it is larger than the sum of its proper divisors (23005).

64250003 is a wasteful number, since it uses less digits than its factorization.

64250003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23004.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 64250003 is about 8015.6099580756. The cubic root of 64250003 is about 400.5201628666.

Adding to 64250003 its reverse (30005246), we get a palindrome (94255249).

The spelling of 64250003 in words is "sixty-four million, two hundred fifty thousand, three".