245785263 has 4 divisors (see below), whose sum is σ = 327713688. Its totient is φ = 163856840.

The previous prime is 245785229. The next prime is 245785289. The reversal of 245785263 is 362587542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245785263 - 2¹³ = 245777071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245785223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40964208 + ... + 40964213.

It is an arithmetic number, because the mean of its divisors is an integer number (81928422).

Almost surely, 2^245785263 is an apocalyptic number.

245785263 is a deficient number, since it is larger than the sum of its proper divisors (81928425).

245785263 is an equidigital number, since it uses as much as digits as its factorization.

245785263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81928424.

The product of its digits is 403200, while the sum is 42.

The square root of 245785263 is about 15677.5400812755. The cubic root of 245785263 is about 626.4002848076.

The spelling of 245785263 in words is "two hundred forty-five million, seven hundred eighty-five thousand, two hundred sixty-three".