225247054537 has 4 divisors (see below), whose sum is σ = 225280515460. Its totient is φ = 225213593616.

The previous prime is 225247054523. The next prime is 225247054561. The reversal of 225247054537 is 735450742522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 735450742522 = 2 ⋅367725371261.

It can be written as a sum of positive squares in 2 ways, for example, as 184793375376 + 40453679161 = 429876^2 + 201131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225247054537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225247004537) 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, 16720362 + ... + 16733827.

It is an arithmetic number, because the mean of its divisors is an integer number (56320128865).

Almost surely, 2^225247054537 is an apocalyptic number.

It is an amenable number.

225247054537 is a deficient number, since it is larger than the sum of its proper divisors (33460923).

225247054537 is an equidigital number, since it uses as much as digits as its factorization.

225247054537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33460922.

The product of its (nonzero) digits is 2352000, while the sum is 46.

The spelling of 225247054537 in words is "two hundred twenty-five billion, two hundred forty-seven million, fifty-four thousand, five hundred thirty-seven".