65242351 has 4 divisors (see below), whose sum is σ = 65284704. Its totient is φ = 65200000.

The previous prime is 65242343. The next prime is 65242361. The reversal of 65242351 is 15324256.

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

It is a cyclic number.

It is not a de Polignac number, because 65242351 - 2³ = 65242343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65242361) 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, 18775 + ... + 21976.

It is an arithmetic number, because the mean of its divisors is an integer number (16321176).

Almost surely, 2^65242351 is an apocalyptic number.

65242351 is a deficient number, since it is larger than the sum of its proper divisors (42353).

65242351 is a wasteful number, since it uses less digits than its factorization.

65242351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42352.

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

The square root of 65242351 is about 8077.2737356115. The cubic root of 65242351 is about 402.5716622014.

The spelling of 65242351 in words is "sixty-five million, two hundred forty-two thousand, three hundred fifty-one".