225025550249 has 4 divisors (see below), whose sum is σ = 225051899136. Its totient is φ = 224999201364.

The previous prime is 225025550231. The next prime is 225025550251. The reversal of 225025550249 is 942055520522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 942055520522 = 2 ⋅471027760261.

It is a cyclic number.

It is not a de Polignac number, because 225025550249 - 2¹² = 225025546153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225025570249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13161629 + ... + 13178714.

It is an arithmetic number, because the mean of its divisors is an integer number (56262974784).

Almost surely, 2^225025550249 is an apocalyptic number.

It is an amenable number.

225025550249 is a deficient number, since it is larger than the sum of its proper divisors (26348887).

225025550249 is an equidigital number, since it uses as much as digits as its factorization.

225025550249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26348886.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 225025550249 in words is "two hundred twenty-five billion, twenty-five million, five hundred fifty thousand, two hundred forty-nine".