65130449 has 8 divisors (see below), whose sum is σ = 65820480. Its totient is φ = 64443600.

The previous prime is 65130431. The next prime is 65130463. The reversal of 65130449 is 94403156.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65130449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65130409) 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, 70412 + ... + 71330.

It is an arithmetic number, because the mean of its divisors is an integer number (8227560).

Almost surely, 2^65130449 is an apocalyptic number.

It is an amenable number.

65130449 is a deficient number, since it is larger than the sum of its proper divisors (690031).

65130449 is a wasteful number, since it uses less digits than its factorization.

65130449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 65130449 is about 8070.3437968899. The cubic root of 65130449 is about 402.3413703056.

The spelling of 65130449 in words is "sixty-five million, one hundred thirty thousand, four hundred forty-nine".