65025072452225 has 24 divisors (see below), whose sum is σ = 80786615629248. Its totient is φ = 51919775409600.

The previous prime is 65025072452191. The next prime is 65025072452273. The reversal of 65025072452225 is 52225427052056.

It is not a de Polignac number, because 65025072452225 - 2¹⁸ = 65025072190081 is a prime.

It is a super-2 number, since 2×65025072452225² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65025072452225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45309122 + ... + 46722228.

It is an arithmetic number, because the mean of its divisors is an integer number (3366108984552).

Almost surely, 2^{65025072452225} is an apocalyptic number.

It is an amenable number.

65025072452225 is a deficient number, since it is larger than the sum of its proper divisors (15761543177023).

65025072452225 is a wasteful number, since it uses less digits than its factorization.

65025072452225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416665 (or 1416660 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 47.

The spelling of 65025072452225 in words is "sixty-five trillion, twenty-five billion, seventy-two million, four hundred fifty-two thousand, two hundred twenty-five".