7040523 has 16 divisors (see below), whose sum is σ = 10851840. Its totient is φ = 3976896.

The previous prime is 7040521. The next prime is 7040543. The reversal of 7040523 is 3250407.

It is a happy number.

It is not a de Polignac number, because 7040523 - 2¹ = 7040521 is a prime.

It is a super-2 number, since 2×7040523² = 99137928227058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 7040523.

It is not an unprimeable number, because it can be changed into a prime (7040521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15 + ... + 3752.

It is an arithmetic number, because the mean of its divisors is an integer number (678240).

Almost surely, 2^7040523 is an apocalyptic number.

7040523 is a deficient number, since it is larger than the sum of its proper divisors (3811317).

7040523 is a wasteful number, since it uses less digits than its factorization.

7040523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 7040523 is about 2653.3983869747. The cubic root of 7040523 is about 191.6615402116.

The spelling of 7040523 in words is "seven million, forty thousand, five hundred twenty-three".