65425122 has 24 divisors (see below), whose sum is σ = 162005376. Its totient is φ = 18692856.

The previous prime is 65425121. The next prime is 65425127. The reversal of 65425122 is 22152456.

65425122 is a `hidden beast` number, since 654 + 2 + 5 + 1 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (65425121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259498 + ... + 259749.

It is an arithmetic number, because the mean of its divisors is an integer number (6750224).

Almost surely, 2^65425122 is an apocalyptic number.

65425122 is an abundant number, since it is smaller than the sum of its proper divisors (96580254).

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

65425122 is a wasteful number, since it uses less digits than its factorization.

65425122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519262 (or 519259 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 65425122 is about 8088.5797269978. The cubic root of 65425122 is about 402.9472353424.

Adding to 65425122 its reverse (22152456), we get a palindrome (87577578).

It can be divided in two parts, 6542 and 5122, that added together give a square (11664 = 108²).

The spelling of 65425122 in words is "sixty-five million, four hundred twenty-five thousand, one hundred twenty-two".