65314381 has 8 divisors (see below), whose sum is σ = 75002400. Its totient is φ = 56251440.

The previous prime is 65314369. The next prime is 65314397. The reversal of 65314381 is 18341356.

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

It is a cyclic number.

It is not a de Polignac number, because 65314381 - 2⁷ = 65314253 is a prime.

It is a super-2 number, since 2×65314381² = 8531936730826322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65314321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156046 + ... + 156463.

It is an arithmetic number, because the mean of its divisors is an integer number (9375300).

Almost surely, 2^65314381 is an apocalyptic number.

It is an amenable number.

65314381 is a deficient number, since it is larger than the sum of its proper divisors (9688019).

65314381 is a wasteful number, since it uses less digits than its factorization.

65314381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312539.

The product of its digits is 8640, while the sum is 31.

The square root of 65314381 is about 8081.7313120395. The cubic root of 65314381 is about 402.7197591128.

The spelling of 65314381 in words is "sixty-five million, three hundred fourteen thousand, three hundred eighty-one".