245782011 has 4 divisors (see below), whose sum is σ = 327709352. Its totient is φ = 163854672.

The previous prime is 245782001. The next prime is 245782013. The reversal of 245782011 is 110287542.

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

It is not a de Polignac number, because 245782011 - 2¹⁰ = 245780987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245782011.

It is not an unprimeable number, because it can be changed into a prime (245782013) 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, 40963666 + ... + 40963671.

It is an arithmetic number, because the mean of its divisors is an integer number (81927338).

Almost surely, 2^245782011 is an apocalyptic number.

245782011 is a deficient number, since it is larger than the sum of its proper divisors (81927341).

245782011 is an equidigital number, since it uses as much as digits as its factorization.

245782011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81927340.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 245782011 is about 15677.4363656817. The cubic root of 245782011 is about 626.3975221485.

The spelling of 245782011 in words is "two hundred forty-five million, seven hundred eighty-two thousand, eleven".