225755524251 has 8 divisors (see below), whose sum is σ = 334452628560. Its totient is φ = 150503682816.

The previous prime is 225755524249. The next prime is 225755524297. The reversal of 225755524251 is 152425557522.

225755524251 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 5 + 552 + 42 + 51 = 666.

It is not a de Polignac number, because 225755524251 - 2¹ = 225755524249 is a prime.

It is a super-2 number, since 2×225755524251² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225755524197 and 225755524206.

It is not an unprimeable number, because it can be changed into a prime (225755524051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4180657830 + ... + 4180657883.

It is an arithmetic number, because the mean of its divisors is an integer number (41806578570).

Almost surely, 2^225755524251 is an apocalyptic number.

225755524251 is a deficient number, since it is larger than the sum of its proper divisors (108697104309).

225755524251 is an equidigital number, since it uses as much as digits as its factorization.

225755524251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361315722 (or 8361315716 counting only the distinct ones).

The product of its digits is 1400000, while the sum is 45.

The spelling of 225755524251 in words is "two hundred twenty-five billion, seven hundred fifty-five million, five hundred twenty-four thousand, two hundred fifty-one".