1204853513 has 2 divisors, whose sum is σ = 1204853514. Its totient is φ = 1204853512.

The previous prime is 1204853509. The next prime is 1204853557. The reversal of 1204853513 is 3153584021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1189698064 + 15155449 = 34492^2 + 3893^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204853513 - 2² = 1204853509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1204853513.

It is not a weakly prime, because it can be changed into another prime (1204853113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602426756 + 602426757.

It is an arithmetic number, because the mean of its divisors is an integer number (602426757).

Almost surely, 2^1204853513 is an apocalyptic number.

It is an amenable number.

1204853513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204853513 is an equidigital number, since it uses as much as digits as its factorization.

1204853513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1204853513 is about 34710.9998847628. Note that the first 3 decimals coincide. The cubic root of 1204853513 is about 1064.0893161992.

The spelling of 1204853513 in words is "one billion, two hundred four million, eight hundred fifty-three thousand, five hundred thirteen".