65016249 has 8 divisors (see below), whose sum is σ = 86890272. Its totient is φ = 43243200.

The previous prime is 65016241. The next prime is 65016317. The reversal of 65016249 is 94261056.

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

It is not a de Polignac number, because 65016249 - 2³ = 65016241 is a prime.

It is a super-2 number, since 2×65016249² = 8454225268060002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65016241) 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, 23727 + ... + 26324.

It is an arithmetic number, because the mean of its divisors is an integer number (10861284).

Almost surely, 2^65016249 is an apocalyptic number.

It is an amenable number.

65016249 is a deficient number, since it is larger than the sum of its proper divisors (21874023).

65016249 is a wasteful number, since it uses less digits than its factorization.

65016249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50487.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 65016249 is about 8063.2654055290. The cubic root of 65016249 is about 402.1060770535.

The spelling of 65016249 in words is "sixty-five million, sixteen thousand, two hundred forty-nine".