245846387 has 2 divisors, whose sum is σ = 245846388. Its totient is φ = 245846386.

The previous prime is 245846371. The next prime is 245846411. The reversal of 245846387 is 783648542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245846387 - 2⁴ = 245846371 is a prime.

It is not a weakly prime, because it can be changed into another prime (245846317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122923193 + 122923194.

It is an arithmetic number, because the mean of its divisors is an integer number (122923194).

Almost surely, 2^245846387 is an apocalyptic number.

245846387 is a deficient number, since it is larger than the sum of its proper divisors (1).

245846387 is an equidigital number, since it uses as much as digits as its factorization.

245846387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 47.

The square root of 245846387 is about 15679.4893730631. The cubic root of 245846387 is about 626.4522067130.

The spelling of 245846387 in words is "two hundred forty-five million, eight hundred forty-six thousand, three hundred eighty-seven".