65224971 has 24 divisors (see below), whose sum is σ = 114008544. Its totient is φ = 35078400.

The previous prime is 65224949. The next prime is 65224993. The reversal of 65224971 is 17942256.

It is an interprime number because it is at equal distance from previous prime (65224949) and next prime (65224993).

It is not a de Polignac number, because 65224971 - 2¹⁰ = 65223947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65224171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29380 + ... + 31521.

It is an arithmetic number, because the mean of its divisors is an integer number (4750356).

Almost surely, 2^65224971 is an apocalyptic number.

65224971 is a deficient number, since it is larger than the sum of its proper divisors (48783573).

65224971 is a wasteful number, since it uses less digits than its factorization.

65224971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60931 (or 60928 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 65224971 is about 8076.1978058985. The cubic root of 65224971 is about 402.5359118196.

The spelling of 65224971 in words is "sixty-five million, two hundred twenty-four thousand, nine hundred seventy-one".