65481242 has 4 divisors (see below), whose sum is σ = 98221866. Its totient is φ = 32740620.

The previous prime is 65481211. The next prime is 65481281. The reversal of 65481242 is 24218456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56415121 + 9066121 = 7511^2 + 3011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65481199 and 65481208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16370309 + ... + 16370312.

Almost surely, 2^65481242 is an apocalyptic number.

65481242 is a deficient number, since it is larger than the sum of its proper divisors (32740624).

65481242 is a wasteful number, since it uses less digits than its factorization.

65481242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32740623.

The product of its digits is 15360, while the sum is 32.

The square root of 65481242 is about 8092.0480720273. The cubic root of 65481242 is about 403.0624150343.

Adding to 65481242 its reverse (24218456), we get a palindrome (89699698).

The spelling of 65481242 in words is "sixty-five million, four hundred eighty-one thousand, two hundred forty-two".