65312254 has 8 divisors (see below), whose sum is σ = 111963888. Its totient is φ = 27990960.

The previous prime is 65312251. The next prime is 65312279. The reversal of 65312254 is 45221356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65312251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2332567 + ... + 2332594.

It is an arithmetic number, because the mean of its divisors is an integer number (13995486).

Almost surely, 2^65312254 is an apocalyptic number.

65312254 is a deficient number, since it is larger than the sum of its proper divisors (46651634).

65312254 is a wasteful number, since it uses less digits than its factorization.

65312254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665170.

The product of its digits is 7200, while the sum is 28.

The square root of 65312254 is about 8081.5997178776. The cubic root of 65312254 is about 402.7153874659.

The spelling of 65312254 in words is "sixty-five million, three hundred twelve thousand, two hundred fifty-four".