65241447 has 4 divisors (see below), whose sum is σ = 86988600. Its totient is φ = 43494296.

The previous prime is 65241443. The next prime is 65241467. The reversal of 65241447 is 74414256.

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 65241447 - 2² = 65241443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65241443) 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, 10873572 + ... + 10873577.

It is an arithmetic number, because the mean of its divisors is an integer number (21747150).

Almost surely, 2^65241447 is an apocalyptic number.

65241447 is a deficient number, since it is larger than the sum of its proper divisors (21747153).

65241447 is a wasteful number, since it uses less digits than its factorization.

65241447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21747152.

The product of its digits is 26880, while the sum is 33.

The square root of 65241447 is about 8077.2177759424. The cubic root of 65241447 is about 402.5698028444.

The spelling of 65241447 in words is "sixty-five million, two hundred forty-one thousand, four hundred forty-seven".