245041187 has 2 divisors, whose sum is σ = 245041188. Its totient is φ = 245041186.

The previous prime is 245041183. The next prime is 245041193. The reversal of 245041187 is 781140542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245041187 - 2² = 245041183 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245041183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122520593 + 122520594.

It is an arithmetic number, because the mean of its divisors is an integer number (122520594).

Almost surely, 2^245041187 is an apocalyptic number.

245041187 is a deficient number, since it is larger than the sum of its proper divisors (1).

245041187 is an equidigital number, since it uses as much as digits as its factorization.

245041187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 245041187 is about 15653.7914576629. The cubic root of 245041187 is about 625.7675366076.

The spelling of 245041187 in words is "two hundred forty-five million, forty-one thousand, one hundred eighty-seven".