245855263 has 2 divisors, whose sum is σ = 245855264. Its totient is φ = 245855262.

The previous prime is 245855221. The next prime is 245855279. The reversal of 245855263 is 362558542.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245855263 - 2¹⁷ = 245724191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245855063) 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, 122927631 + 122927632.

It is an arithmetic number, because the mean of its divisors is an integer number (122927632).

Almost surely, 2^245855263 is an apocalyptic number.

245855263 is a deficient number, since it is larger than the sum of its proper divisors (1).

245855263 is an equidigital number, since it uses as much as digits as its factorization.

245855263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288000, while the sum is 40.

The square root of 245855263 is about 15679.7724154402. The cubic root of 245855263 is about 626.4597457335.

The spelling of 245855263 in words is "two hundred forty-five million, eight hundred fifty-five thousand, two hundred sixty-three".