245842867 has 2 divisors, whose sum is σ = 245842868. Its totient is φ = 245842866.

The previous prime is 245842823. The next prime is 245842897. The reversal of 245842867 is 768248542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245842867 is a prime.

It is not a weakly prime, because it can be changed into another prime (245842897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122921433 + 122921434.

It is an arithmetic number, because the mean of its divisors is an integer number (122921434).

Almost surely, 2^245842867 is an apocalyptic number.

245842867 is a deficient number, since it is larger than the sum of its proper divisors (1).

245842867 is an equidigital number, since it uses as much as digits as its factorization.

245842867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 860160, while the sum is 46.

The square root of 245842867 is about 15679.3771241080. The cubic root of 245842867 is about 626.4492168754.

The spelling of 245842867 in words is "two hundred forty-five million, eight hundred forty-two thousand, eight hundred sixty-seven".