1008572245 has 8 divisors (see below), whose sum is σ = 1233122616. Its totient is φ = 791633856.

The previous prime is 1008572221. The next prime is 1008572249. The reversal of 1008572245 is 5422758001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 361836484 + 646735761 = 19022^2 + 25431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1008572245 - 2²⁷ = 874354517 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 1008572245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008572249) 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 in 7 ways as a sum of consecutive naturals, for example, 1902702 + ... + 1903231.

It is an arithmetic number, because the mean of its divisors is an integer number (154140327).

Almost surely, 2^1008572245 is an apocalyptic number.

It is an amenable number.

1008572245 is a deficient number, since it is larger than the sum of its proper divisors (224550371).

1008572245 is an equidigital number, since it uses as much as digits as its factorization.

1008572245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805991.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 1008572245 is about 31758.0264657614. The cubic root of 1008572245 is about 1002.8492888425.

The spelling of 1008572245 in words is "one billion, eight million, five hundred seventy-two thousand, two hundred forty-five".