245835481 has 2 divisors, whose sum is σ = 245835482. Its totient is φ = 245835480.

The previous prime is 245835479. The next prime is 245835493. The reversal of 245835481 is 184538542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239630400 + 6205081 = 15480^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 245835481 - 2¹ = 245835479 is a prime.

It is a super-2 number, since 2×245835481² = 120870167437002722, which contains 22 as substring.

Together with 245835479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (245875481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122917740 + 122917741.

It is an arithmetic number, because the mean of its divisors is an integer number (122917741).

Almost surely, 2^245835481 is an apocalyptic number.

It is an amenable number.

245835481 is a deficient number, since it is larger than the sum of its proper divisors (1).

245835481 is an equidigital number, since it uses as much as digits as its factorization.

245835481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153600, while the sum is 40.

The square root of 245835481 is about 15679.1415900234. The cubic root of 245835481 is about 626.4429432201.

The spelling of 245835481 in words is "two hundred forty-five million, eight hundred thirty-five thousand, four hundred eighty-one".