9040513 has 4 divisors (see below), whose sum is σ = 9047808. Its totient is φ = 9033220.

The previous prime is 9040487. The next prime is 9040517. The reversal of 9040513 is 3150409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3150409 = 19 ⋅165811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9040513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9040517) 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, 1273 + ... + 4438.

It is an arithmetic number, because the mean of its divisors is an integer number (2261952).

Almost surely, 2^9040513 is an apocalyptic number.

It is an amenable number.

9040513 is a deficient number, since it is larger than the sum of its proper divisors (7295).

9040513 is a wasteful number, since it uses less digits than its factorization.

9040513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7294.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 9040513 is about 3006.7445850953. The cubic root of 9040513 is about 208.3200278791.

The spelling of 9040513 in words is "nine million, forty thousand, five hundred thirteen".