65602249 has 4 divisors (see below), whose sum is σ = 65681280. Its totient is φ = 65523220.

The previous prime is 65602213. The next prime is 65602283. The reversal of 65602249 is 94220656.

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 65602249 - 2¹¹ = 65600201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65602349) 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, 38257 + ... + 39934.

It is an arithmetic number, because the mean of its divisors is an integer number (16420320).

Almost surely, 2^65602249 is an apocalyptic number.

It is an amenable number.

65602249 is a deficient number, since it is larger than the sum of its proper divisors (79031).

65602249 is an equidigital number, since it uses as much as digits as its factorization.

65602249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79030.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 65602249 is about 8099.5215290781. The cubic root of 65602249 is about 403.3105439089.

The spelling of 65602249 in words is "sixty-five million, six hundred two thousand, two hundred forty-nine".