65238254 has 4 divisors (see below), whose sum is σ = 97857384. Its totient is φ = 32619126.

The previous prime is 65238253. The next prime is 65238259. The reversal of 65238254 is 45283256.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65238253) 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 as a sum of consecutive naturals, namely, 16309562 + ... + 16309565.

It is an arithmetic number, because the mean of its divisors is an integer number (24464346).

Almost surely, 2^65238254 is an apocalyptic number.

65238254 is a deficient number, since it is larger than the sum of its proper divisors (32619130).

65238254 is a wasteful number, since it uses less digits than its factorization.

65238254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32619129.

The product of its digits is 57600, while the sum is 35.

The square root of 65238254 is about 8077.0201188310. The cubic root of 65238254 is about 402.5632353100.

The spelling of 65238254 in words is "sixty-five million, two hundred thirty-eight thousand, two hundred fifty-four".