65098249 has 8 divisors (see below), whose sum is σ = 66285000. Its totient is φ = 63921792.

The previous prime is 65098217. The next prime is 65098277. The reversal of 65098249 is 94289056.

It can be written as a sum of positive squares in 4 ways, for example, as 8020224 + 57078025 = 2832^2 + 7555^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65098249 - 2⁵ = 65098217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65098949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10807 + ... + 15715.

It is an arithmetic number, because the mean of its divisors is an integer number (8285625).

Almost surely, 2^65098249 is an apocalyptic number.

It is an amenable number.

65098249 is a deficient number, since it is larger than the sum of its proper divisors (1186751).

65098249 is a wasteful number, since it uses less digits than its factorization.

65098249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 65098249 is about 8068.3485918743. The cubic root of 65098249 is about 402.2750545351.

The spelling of 65098249 in words is "sixty-five million, ninety-eight thousand, two hundred forty-nine".