7042529 has 16 divisors (see below), whose sum is σ = 7919184. Its totient is φ = 6220800.

The previous prime is 7042523. The next prime is 7042579. The reversal of 7042529 is 9252407.

It can be written as a sum of positive squares in 8 ways, for example, as 3508129 + 3534400 = 1873^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 7042529 - 2¹⁶ = 6976993 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7042523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38819 + ... + 38999.

It is an arithmetic number, because the mean of its divisors is an integer number (494949).

Almost surely, 2^7042529 is an apocalyptic number.

It is an amenable number.

7042529 is a deficient number, since it is larger than the sum of its proper divisors (876655).

7042529 is a wasteful number, since it uses less digits than its factorization.

7042529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7042529 is about 2653.7763658605. The cubic root of 7042529 is about 191.6797413471.

The spelling of 7042529 in words is "seven million, forty-two thousand, five hundred twenty-nine".