65050491 has 16 divisors (see below), whose sum is σ = 96634368. Its totient is φ = 38584800.

The previous prime is 65050481. The next prime is 65050499. The reversal of 65050491 is 19405056.

It is not a de Polignac number, because 65050491 - 2¹⁵ = 65017723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65050499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19420 + ... + 22521.

It is an arithmetic number, because the mean of its divisors is an integer number (6039648).

Almost surely, 2^65050491 is an apocalyptic number.

65050491 is a deficient number, since it is larger than the sum of its proper divisors (31583877).

65050491 is a wasteful number, since it uses less digits than its factorization.

65050491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42002.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 65050491 is about 8065.3884593366. The cubic root of 65050491 is about 402.1766568445.

The spelling of 65050491 in words is "sixty-five million, fifty thousand, four hundred ninety-one".