65250903 has 4 divisors (see below), whose sum is σ = 87001208. Its totient is φ = 43500600.

The previous prime is 65250893. The next prime is 65250937. The reversal of 65250903 is 30905256.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65250903 - 2¹⁰ = 65249879 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65250953) 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, 10875148 + ... + 10875153.

It is an arithmetic number, because the mean of its divisors is an integer number (21750302).

Almost surely, 2^65250903 is an apocalyptic number.

65250903 is a deficient number, since it is larger than the sum of its proper divisors (21750305).

65250903 is a wasteful number, since it uses less digits than its factorization.

65250903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21750304.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 65250903 is about 8077.8031048052. The cubic root of 65250903 is about 402.5892511978.

The spelling of 65250903 in words is "sixty-five million, two hundred fifty thousand, nine hundred three".