65250003 has 32 divisors (see below), whose sum is σ = 107516416. Its totient is φ = 34276608.

The previous prime is 65250001. The next prime is 65250043. The reversal of 65250003 is 30005256.

It is not a de Polignac number, because 65250003 - 2¹ = 65250001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (65250001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124500 + ... + 125022.

It is an arithmetic number, because the mean of its divisors is an integer number (3359888).

Almost surely, 2^65250003 is an apocalyptic number.

65250003 is a deficient number, since it is larger than the sum of its proper divisors (42266413).

65250003 is a wasteful number, since it uses less digits than its factorization.

65250003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 65250003 is about 8077.7473963971. The cubic root of 65250003 is about 402.5874002299.

Adding to 65250003 its reverse (30005256), we get a palindrome (95255259).

The spelling of 65250003 in words is "sixty-five million, two hundred fifty thousand, three".