245024005 has 4 divisors (see below), whose sum is σ = 294028812. Its totient is φ = 196019200.

The previous prime is 245023997. The next prime is 245024011. The reversal of 245024005 is 500420542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500420542 = 2 ⋅250210271.

It can be written as a sum of positive squares in 2 ways, for example, as 108180801 + 136843204 = 10401^2 + 11698^2 .

It is not a de Polignac number, because 245024005 - 2³ = 245023997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24502396 + ... + 24502405.

It is an arithmetic number, because the mean of its divisors is an integer number (73507203).

Almost surely, 2^245024005 is an apocalyptic number.

It is an amenable number.

245024005 is a deficient number, since it is larger than the sum of its proper divisors (49004807).

245024005 is an equidigital number, since it uses as much as digits as its factorization.

245024005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49004806.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 245024005 is about 15653.2426353136. The cubic root of 245024005 is about 625.7529102377.

Adding to 245024005 its reverse (500420542), we get a palindrome (745444547).

The spelling of 245024005 in words is "two hundred forty-five million, twenty-four thousand, five".