7290529 has 2 divisors, whose sum is σ = 7290530. Its totient is φ = 7290528.

The previous prime is 7290527. The next prime is 7290533. The reversal of 7290529 is 9250927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7290000 + 529 = 2700^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 7290529 - 2¹ = 7290527 is a prime.

Together with 7290527, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 7290494 and 7290503.

It is not a weakly prime, because it can be changed into another prime (7290523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3645264 + 3645265.

It is an arithmetic number, because the mean of its divisors is an integer number (3645265).

Almost surely, 2^7290529 is an apocalyptic number.

It is an amenable number.

7290529 is a deficient number, since it is larger than the sum of its proper divisors (1).

7290529 is an equidigital number, since it uses as much as digits as its factorization.

7290529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 7290529 is about 2700.0979611859. The cubic root of 7290529 is about 193.9038120962.

It can be divided in two parts, 72 and 90529, that added together give a square (90601 = 301²).

The spelling of 7290529 in words is "seven million, two hundred ninety thousand, five hundred twenty-nine".