297750292225 has 9 divisors (see below), whose sum is σ = 369213745513. Its totient is φ = 238198051120.

The previous prime is 297750292223. The next prime is 297750292249. The reversal of 297750292225 is 522292057792.

The square root of 297750292225 is 545665.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3786802369 + 293963489856 = 61537^2 + 542184^2 .

It is not a de Polignac number, because 297750292225 - 2¹ = 297750292223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (297750292223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2673759 + ... + 2782891.

Almost surely, 2^297750292225 is an apocalyptic number.

297750292225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

297750292225 is the 545665-th square number.

297750292225 is the 272833-rd centered octagonal number.

It is an amenable number.

297750292225 is a deficient number, since it is larger than the sum of its proper divisors (71463453288).

297750292225 is an frugal number, since it uses more digits than its factorization.

297750292225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218276 (or 109138 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 297750292225 in words is "two hundred ninety-seven billion, seven hundred fifty million, two hundred ninety-two thousand, two hundred twenty-five".