63281252603225 has 12 divisors (see below), whose sum is σ = 82598687609040. Its totient is φ = 47960528288400.

The previous prime is 63281252603221. The next prime is 63281252603249. The reversal of 63281252603225 is 52230625218236.

It is not a de Polignac number, because 63281252603225 - 2² = 63281252603221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63281252603225.

It is not an unprimeable number, because it can be changed into a prime (63281252603221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66611844371 + ... + 66611845320.

It is an arithmetic number, because the mean of its divisors is an integer number (6883223967420).

Almost surely, 2^{63281252603225} is an apocalyptic number.

It is an amenable number.

63281252603225 is a deficient number, since it is larger than the sum of its proper divisors (19317435005815).

63281252603225 is a wasteful number, since it uses less digits than its factorization.

63281252603225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133223689720 (or 133223689715 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 63281252603225 in words is "sixty-three trillion, two hundred eighty-one billion, two hundred fifty-two million, six hundred three thousand, two hundred twenty-five".