240225197 has 2 divisors, whose sum is σ = 240225198. Its totient is φ = 240225196.

The previous prime is 240225173. The next prime is 240225239. The reversal of 240225197 is 791522042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228191236 + 12033961 = 15106^2 + 3469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240225197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240225397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120112598 + 120112599.

It is an arithmetic number, because the mean of its divisors is an integer number (120112599).

Almost surely, 2^240225197 is an apocalyptic number.

It is an amenable number.

240225197 is a deficient number, since it is larger than the sum of its proper divisors (1).

240225197 is an equidigital number, since it uses as much as digits as its factorization.

240225197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 240225197 is about 15499.1998825746. The cubic root of 240225197 is about 621.6408124943.

The spelling of 240225197 in words is "two hundred forty million, two hundred twenty-five thousand, one hundred ninety-seven".