245047005 has 32 divisors (see below), whose sum is σ = 497875200. Its totient is φ = 112021056.

The previous prime is 245047003. The next prime is 245047007. The reversal of 245047005 is 500740542.

It is an interprime number because it is at equal distance from previous prime (245047003) and next prime (245047007).

It is not a de Polignac number, because 245047005 - 2¹ = 245047003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 245047005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245047003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128710 + ... + 130599.

It is an arithmetic number, because the mean of its divisors is an integer number (15558600).

Almost surely, 2^245047005 is an apocalyptic number.

It is an amenable number.

245047005 is an abundant number, since it is smaller than the sum of its proper divisors (252828195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245047005 is a wasteful number, since it uses less digits than its factorization.

245047005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259330 (or 259324 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 245047005 is about 15653.9772901330. The cubic root of 245047005 is about 625.7724890903.

Adding to 245047005 its reverse (500740542), we get a palindrome (745787547).

It can be divided in two parts, 2450 and 47005, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 245047005 in words is "two hundred forty-five million, forty-seven thousand, five".