65238454 has 4 divisors (see below), whose sum is σ = 97857684. Its totient is φ = 32619226.

The previous prime is 65238443. The next prime is 65238461. The reversal of 65238454 is 45483256.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16309612 + ... + 16309615.

It is an arithmetic number, because the mean of its divisors is an integer number (24464421).

Almost surely, 2^65238454 is an apocalyptic number.

65238454 is a deficient number, since it is larger than the sum of its proper divisors (32619230).

65238454 is a wasteful number, since it uses less digits than its factorization.

65238454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32619229.

The product of its digits is 115200, while the sum is 37.

The square root of 65238454 is about 8077.0324996251. The cubic root of 65238454 is about 402.5636466870.

The spelling of 65238454 in words is "sixty-five million, two hundred thirty-eight thousand, four hundred fifty-four".