7205629 has 2 divisors, whose sum is σ = 7205630. Its totient is φ = 7205628.

The previous prime is 7205587. The next prime is 7205641. The reversal of 7205629 is 9265027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7128900 + 76729 = 2670^2 + 277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7205629 is a prime.

7205629 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7205629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7205329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3602814 + 3602815.

It is an arithmetic number, because the mean of its divisors is an integer number (3602815).

Almost surely, 2^7205629 is an apocalyptic number.

It is an amenable number.

7205629 is a deficient number, since it is larger than the sum of its proper divisors (1).

7205629 is an equidigital number, since it uses as much as digits as its factorization.

7205629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7205629 is about 2684.3302702909. The cubic root of 7205629 is about 193.1481854772.

The spelling of 7205629 in words is "seven million, two hundred five thousand, six hundred twenty-nine".