7242061 has 2 divisors, whose sum is σ = 7242062. Its totient is φ = 7242060.

The previous prime is 7242049. The next prime is 7242077. The reversal of 7242061 is 1602427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 86436 = 2675^2 + 294^2 .

It is an emirp because it is prime and its reverse (1602427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7242061 - 2⁵ = 7242029 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7242091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621030 + 3621031.

It is an arithmetic number, because the mean of its divisors is an integer number (3621031).

Almost surely, 2^7242061 is an apocalyptic number.

7242061 is the 1204-th centered decagonal number.

It is an amenable number.

7242061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242061 is an equidigital number, since it uses as much as digits as its factorization.

7242061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7242061 is about 2691.1077644717. The cubic root of 7242061 is about 193.4731605059.

Adding to 7242061 its reverse (1602427), we get a palindrome (8844488).

The spelling of 7242061 in words is "seven million, two hundred forty-two thousand, sixty-one".