65425645 has 16 divisors (see below), whose sum is σ = 84407040. Its totient is φ = 48527424.

The previous prime is 65425643. The next prime is 65425669. The reversal of 65425645 is 54652456.

It is a cyclic number.

It is not a de Polignac number, because 65425645 - 2¹ = 65425643 is a prime.

It is a super-3 number, since 3×65425645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65425643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2862 + ... + 11791.

It is an arithmetic number, because the mean of its divisors is an integer number (5275440).

Almost surely, 2^65425645 is an apocalyptic number.

It is an amenable number.

65425645 is a deficient number, since it is larger than the sum of its proper divisors (18981395).

65425645 is a wasteful number, since it uses less digits than its factorization.

65425645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724.

The product of its digits is 144000, while the sum is 37.

The square root of 65425645 is about 8088.6120564656. The cubic root of 65425645 is about 402.9483090423.

The spelling of 65425645 in words is "sixty-five million, four hundred twenty-five thousand, six hundred forty-five".