65381030 has 48 divisors (see below), whose sum is σ = 139059504. Its totient is φ = 21939840.

The previous prime is 65380979. The next prime is 65381047. The reversal of 65381030 is 3018356.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16832 + ... + 20348.

It is an arithmetic number, because the mean of its divisors is an integer number (2897073).

Almost surely, 2^65381030 is an apocalyptic number.

65381030 is an abundant number, since it is smaller than the sum of its proper divisors (73678474).

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

65381030 is a wasteful number, since it uses less digits than its factorization.

65381030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561 (or 3548 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 65381030 is about 8085.8536964256. The cubic root of 65381030 is about 402.8566954924.

Adding to 65381030 its reverse (3018356), we get a palindrome (68399386).

The spelling of 65381030 in words is "sixty-five million, three hundred eighty-one thousand, thirty".