245120300287 has 2 divisors, whose sum is σ = 245120300288. Its totient is φ = 245120300286.

The previous prime is 245120300209. The next prime is 245120300311. The reversal of 245120300287 is 782003021542.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245120300287 is a prime.

It is a super-2 number, since 2×245120300287² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245120307287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122560150143 + 122560150144.

It is an arithmetic number, because the mean of its divisors is an integer number (122560150144).

Almost surely, 2^245120300287 is an apocalyptic number.

245120300287 is a deficient number, since it is larger than the sum of its proper divisors (1).

245120300287 is an equidigital number, since it uses as much as digits as its factorization.

245120300287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 245120300287 in words is "two hundred forty-five billion, one hundred twenty million, three hundred thousand, two hundred eighty-seven".