65517130 has 32 divisors (see below), whose sum is σ = 141874560. Its totient is φ = 21280320.

The previous prime is 65517103. The next prime is 65517173. The reversal of 65517130 is 3171556.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23301 + ... + 25960.

It is an arithmetic number, because the mean of its divisors is an integer number (4433580).

Almost surely, 2^65517130 is an apocalyptic number.

65517130 is an abundant number, since it is smaller than the sum of its proper divisors (76357430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65517130 is a wasteful number, since it uses less digits than its factorization.

65517130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49294.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 65517130 is about 8094.2652538696. The cubic root of 65517130 is about 403.1360364344.

Adding to 65517130 its reverse (3171556), we get a palindrome (68688686).

The spelling of 65517130 in words is "sixty-five million, five hundred seventeen thousand, one hundred thirty".