65224573 has 4 divisors (see below), whose sum is σ = 68060448. Its totient is φ = 62388700.

The previous prime is 65224571. The next prime is 65224603. The reversal of 65224573 is 37542256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65224573 - 2¹ = 65224571 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 (65224571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417903 + ... + 1417948.

It is an arithmetic number, because the mean of its divisors is an integer number (17015112).

Almost surely, 2^65224573 is an apocalyptic number.

It is an amenable number.

65224573 is a deficient number, since it is larger than the sum of its proper divisors (2835875).

65224573 is a wasteful number, since it uses less digits than its factorization.

65224573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835874.

The product of its digits is 50400, while the sum is 34.

The square root of 65224573 is about 8076.1731655531. The cubic root of 65224573 is about 402.5350930656.

The spelling of 65224573 in words is "sixty-five million, two hundred twenty-four thousand, five hundred seventy-three".