245344087 has 2 divisors, whose sum is σ = 245344088. Its totient is φ = 245344086.

The previous prime is 245344081. The next prime is 245344091. The reversal of 245344087 is 780443542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245344087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245344081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122672043 + 122672044.

It is an arithmetic number, because the mean of its divisors is an integer number (122672044).

Almost surely, 2^245344087 is an apocalyptic number.

245344087 is a deficient number, since it is larger than the sum of its proper divisors (1).

245344087 is an equidigital number, since it uses as much as digits as its factorization.

245344087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 37.

The square root of 245344087 is about 15663.4634420361. The cubic root of 245344087 is about 626.0252714299.

The spelling of 245344087 in words is "two hundred forty-five million, three hundred forty-four thousand, eighty-seven".