1004255315197 has 4 divisors (see below), whose sum is σ = 1004264273916. Its totient is φ = 1004246356480.

The previous prime is 1004255315137. The next prime is 1004255315213. The reversal of 1004255315197 is 7915135524001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 223243020196 + 781012295001 = 472486^2 + 883749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004255315197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004255315117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4309054 + ... + 4536127.

It is an arithmetic number, because the mean of its divisors is an integer number (251066068479).

Almost surely, 2^{1004255315197} is an apocalyptic number.

It is an amenable number.

1004255315197 is a deficient number, since it is larger than the sum of its proper divisors (8958719).

1004255315197 is an equidigital number, since it uses as much as digits as its factorization.

1004255315197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958718.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 1004255315197 in words is "one trillion, four billion, two hundred fifty-five million, three hundred fifteen thousand, one hundred ninety-seven".