245000747 has 2 divisors, whose sum is σ = 245000748. Its totient is φ = 245000746.

The previous prime is 245000699. The next prime is 245000797. The reversal of 245000747 is 747000542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245000747 - 2¹² = 244996651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245000797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122500373 + 122500374.

It is an arithmetic number, because the mean of its divisors is an integer number (122500374).

Almost surely, 2^245000747 is an apocalyptic number.

245000747 is a deficient number, since it is larger than the sum of its proper divisors (1).

245000747 is an equidigital number, since it uses as much as digits as its factorization.

245000747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 245000747 is about 15652.4997045200. The cubic root of 245000747 is about 625.7331105155.

The spelling of 245000747 in words is "two hundred forty-five million, seven hundred forty-seven", and thus it is an aban number.