65525442 has 16 divisors (see below), whose sum is σ = 135570240. Its totient is φ = 21088592.

The previous prime is 65525431. The next prime is 65525443. The reversal of 65525442 is 24452556.

It is not an unprimeable number, because it can be changed into a prime (65525443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188118 + ... + 188465.

It is an arithmetic number, because the mean of its divisors is an integer number (8473140).

Almost surely, 2^65525442 is an apocalyptic number.

65525442 is an abundant number, since it is smaller than the sum of its proper divisors (70044798).

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

65525442 is a wasteful number, since it uses less digits than its factorization.

65525442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376617.

The product of its digits is 48000, while the sum is 33.

The square root of 65525442 is about 8094.7786875244. The cubic root of 65525442 is about 403.1530840119.

Adding to 65525442 its reverse (24452556), we get a palindrome (89977998).

The spelling of 65525442 in words is "sixty-five million, five hundred twenty-five thousand, four hundred forty-two".