865451250452 has 6 divisors (see below), whose sum is σ = 1514539688298. Its totient is φ = 432725625224.

The previous prime is 865451250431. The next prime is 865451250457. The reversal of 865451250452 is 254052154568.

It can be written as a sum of positive squares in only one way, i.e., 465336808336 + 400114442116 = 682156^2 + 632546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 865451250397 and 865451250406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865451250457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108181406303 + ... + 108181406310.

It is an arithmetic number, because the mean of its divisors is an integer number (252423281383).

Almost surely, 2^865451250452 is an apocalyptic number.

It is an amenable number.

865451250452 is a deficient number, since it is larger than the sum of its proper divisors (649088437846).

865451250452 is a wasteful number, since it uses less digits than its factorization.

865451250452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216362812617 (or 216362812615 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 47.

The spelling of 865451250452 in words is "eight hundred sixty-five billion, four hundred fifty-one million, two hundred fifty thousand, four hundred fifty-two".