1019752313 has 4 divisors (see below), whose sum is σ = 1019816868. Its totient is φ = 1019687760.

The previous prime is 1019752297. The next prime is 1019752333. The reversal of 1019752313 is 3132579101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 704796304 + 314956009 = 26548^2 + 17747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1019752313 - 2⁴ = 1019752297 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 1019752313.

It is not an unprimeable number, because it can be changed into a prime (1019752333) 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 3 ways as a sum of consecutive naturals, for example, 9095 + ... + 46067.

It is an arithmetic number, because the mean of its divisors is an integer number (254954217).

Almost surely, 2^1019752313 is an apocalyptic number.

It is an amenable number.

1019752313 is a deficient number, since it is larger than the sum of its proper divisors (64555).

1019752313 is an equidigital number, since it uses as much as digits as its factorization.

1019752313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64554.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 1019752313 is about 31933.5609195091. The cubic root of 1019752313 is about 1006.5412234349.

The spelling of 1019752313 in words is "one billion, nineteen million, seven hundred fifty-two thousand, three hundred thirteen".