65349425 has 6 divisors (see below), whose sum is σ = 81033318. Its totient is φ = 52279520.

The previous prime is 65349421. The next prime is 65349439. The reversal of 65349425 is 52494356.

It can be written as a sum of positive squares in 3 ways, for example, as 579121 + 64770304 = 761^2 + 8048^2 .

It is not a de Polignac number, because 65349425 - 2² = 65349421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65349421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306964 + ... + 1307013.

It is an arithmetic number, because the mean of its divisors is an integer number (13505553).

Almost surely, 2^65349425 is an apocalyptic number.

It is an amenable number.

65349425 is a deficient number, since it is larger than the sum of its proper divisors (15683893).

65349425 is a wasteful number, since it uses less digits than its factorization.

65349425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613987 (or 2613982 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 65349425 is about 8083.8991210925. The cubic root of 65349425 is about 402.7917717779.

The spelling of 65349425 in words is "sixty-five million, three hundred forty-nine thousand, four hundred twenty-five".