1045656513 has 16 divisors (see below), whose sum is σ = 1689950400. Its totient is φ = 633731040.

The previous prime is 1045656503. The next prime is 1045656527. The reversal of 1045656513 is 3156565401.

It is not a de Polignac number, because 1045656513 - 2¹⁰ = 1045655489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045656503) 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 15 ways as a sum of consecutive naturals, for example, 1760068 + ... + 1760661.

It is an arithmetic number, because the mean of its divisors is an integer number (105621900).

Almost surely, 2^1045656513 is an apocalyptic number.

It is an amenable number.

1045656513 is a deficient number, since it is larger than the sum of its proper divisors (644293887).

1045656513 is a wasteful number, since it uses less digits than its factorization.

1045656513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520749 (or 3520743 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1045656513 is about 32336.6125776959. The cubic root of 1045656513 is about 1014.9929264150.

The spelling of 1045656513 in words is "one billion, forty-five million, six hundred fifty-six thousand, five hundred thirteen".