7242851261 has 2 divisors, whose sum is σ = 7242851262. Its totient is φ = 7242851260.

The previous prime is 7242851249. The next prime is 7242851279. The reversal of 7242851261 is 1621582427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6936391225 + 306460036 = 83285^2 + 17506^2 .

It is a cyclic number.

It is not a de Polignac number, because 7242851261 - 2¹⁴ = 7242834877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7242851201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621425630 + 3621425631.

It is an arithmetic number, because the mean of its divisors is an integer number (3621425631).

Almost surely, 2^7242851261 is an apocalyptic number.

It is an amenable number.

7242851261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242851261 is an equidigital number, since it uses as much as digits as its factorization.

7242851261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 7242851261 is about 85104.9426355485. The cubic root of 7242851261 is about 1934.8019757870.

The spelling of 7242851261 in words is "seven billion, two hundred forty-two million, eight hundred fifty-one thousand, two hundred sixty-one".