65298961 has 16 divisors (see below), whose sum is σ = 80567424. Its totient is φ = 51537024.

The previous prime is 65298931. The next prime is 65298967. The reversal of 65298961 is 16989256.

It is not a de Polignac number, because 65298961 - 2⁷ = 65298833 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (65298967) 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 15 ways as a sum of consecutive naturals, for example, 55566 + ... + 56728.

It is an arithmetic number, because the mean of its divisors is an integer number (5035464).

Almost surely, 2^65298961 is an apocalyptic number.

It is an amenable number.

65298961 is a deficient number, since it is larger than the sum of its proper divisors (15268463).

65298961 is a wasteful number, since it uses less digits than its factorization.

65298961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its digits is 233280, while the sum is 46.

The square root of 65298961 is about 8080.7772522202. Note that the first 3 decimals coincide. The cubic root of 65298961 is about 402.6880640641.

The spelling of 65298961 in words is "sixty-five million, two hundred ninety-eight thousand, nine hundred sixty-one".