65490412 has 24 divisors (see below), whose sum is σ = 123698736. Its totient is φ = 30159168.

The previous prime is 65490401. The next prime is 65490433. The reversal of 65490412 is 21409456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28158 + ... + 30394.

It is an arithmetic number, because the mean of its divisors is an integer number (5154114).

Almost surely, 2^65490412 is an apocalyptic number.

It is an amenable number.

65490412 is a deficient number, since it is larger than the sum of its proper divisors (58208324).

65490412 is a wasteful number, since it uses less digits than its factorization.

65490412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2815 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 65490412 is about 8092.6146578223. The cubic root of 65490412 is about 403.0812291237.

Adding to 65490412 its reverse (21409456), we get a palindrome (86899868).

The spelling of 65490412 in words is "sixty-five million, four hundred ninety thousand, four hundred twelve".