1016513 has 4 divisors (see below), whose sum is σ = 1041348. Its totient is φ = 991680.

The previous prime is 1016497. The next prime is 1016527. The reversal of 1016513 is 3156101.

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 543169 + 473344 = 737^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016513 - 2⁴ = 1016497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1016491 and 1016500.

It is not an unprimeable number, because it can be changed into a prime (1016573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12356 + ... + 12437.

It is an arithmetic number, because the mean of its divisors is an integer number (260337).

2^1016513 is an apocalyptic number.

It is an amenable number.

1016513 is a deficient number, since it is larger than the sum of its proper divisors (24835).

1016513 is an equidigital number, since it uses as much as digits as its factorization.

1016513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24834.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1016513 is about 1008.2226936545. Note that the first 3 decimals coincide. The cubic root of 1016513 is about 100.5474310572.

The spelling of 1016513 in words is "one million, sixteen thousand, five hundred thirteen".