245268887 has 2 divisors, whose sum is σ = 245268888. Its totient is φ = 245268886.

The previous prime is 245268799. The next prime is 245268943. The reversal of 245268887 is 788862542.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245268887 - 2¹⁸ = 245006743 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 (245268787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122634443 + 122634444.

It is an arithmetic number, because the mean of its divisors is an integer number (122634444).

Almost surely, 2^245268887 is an apocalyptic number.

245268887 is a deficient number, since it is larger than the sum of its proper divisors (1).

245268887 is an equidigital number, since it uses as much as digits as its factorization.

245268887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1720320, while the sum is 50.

The square root of 245268887 is about 15661.0627672582. The cubic root of 245268887 is about 625.9613042459.

The spelling of 245268887 in words is "two hundred forty-five million, two hundred sixty-eight thousand, eight hundred eighty-seven".