225061174997 has 4 divisors (see below), whose sum is σ = 225145249836. Its totient is φ = 224977100160.

The previous prime is 225061174957. The next prime is 225061175029. The reversal of 225061174997 is 799471160522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799471160522 = 2 ⋅399735580261.

It can be written as a sum of positive squares in 2 ways, for example, as 126900525361 + 98160649636 = 356231^2 + 313306^2 .

It is a cyclic number.

It is not a de Polignac number, because 225061174997 - 2¹⁴ = 225061158613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225061174927) 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, 42033404 + ... + 42038757.

It is an arithmetic number, because the mean of its divisors is an integer number (56286312459).

Almost surely, 2^225061174997 is an apocalyptic number.

It is an amenable number.

225061174997 is a deficient number, since it is larger than the sum of its proper divisors (84074839).

225061174997 is an equidigital number, since it uses as much as digits as its factorization.

225061174997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84074838.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 225061174997 in words is "two hundred twenty-five billion, sixty-one million, one hundred seventy-four thousand, nine hundred ninety-seven".