245463539 has 2 divisors, whose sum is σ = 245463540. Its totient is φ = 245463538.

The previous prime is 245463503. The next prime is 245463557. The reversal of 245463539 is 935364542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245463539 - 2²⁴ = 228686323 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 245463496 and 245463505.

It is not a weakly prime, because it can be changed into another prime (245463839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122731769 + 122731770.

It is an arithmetic number, because the mean of its divisors is an integer number (122731770).

Almost surely, 2^245463539 is an apocalyptic number.

245463539 is a deficient number, since it is larger than the sum of its proper divisors (1).

245463539 is an equidigital number, since it uses as much as digits as its factorization.

245463539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 41.

The square root of 245463539 is about 15667.2760555241. The cubic root of 245463539 is about 626.1268537135.

The spelling of 245463539 in words is "two hundred forty-five million, four hundred sixty-three thousand, five hundred thirty-nine".