8513073 has 24 divisors (see below), whose sum is σ = 13409760. Its totient is φ = 5336640.

The previous prime is 8513069. The next prime is 8513077. The reversal of 8513073 is 3703158.

It is an interprime number because it is at equal distance from previous prime (8513069) and next prime (8513077).

It is not a de Polignac number, because 8513073 - 2² = 8513069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

8513073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8513077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7258 + ... + 8348.

It is an arithmetic number, because the mean of its divisors is an integer number (558740).

Almost surely, 2^8513073 is an apocalyptic number.

It is an amenable number.

8513073 is a deficient number, since it is larger than the sum of its proper divisors (4896687).

8513073 is a wasteful number, since it uses less digits than its factorization.

8513073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 8513073 is about 2917.7170870391. The cubic root of 8513073 is about 204.1873279289.

The spelling of 8513073 in words is "eight million, five hundred thirteen thousand, seventy-three".