7240253356361 has 2 divisors, whose sum is σ = 7240253356362. Its totient is φ = 7240253356360.

The previous prime is 7240253356289. The next prime is 7240253356417. The reversal of 7240253356361 is 1636533520427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5587640264761 + 1652613091600 = 2363819^2 + 1285540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7240253356361 is a prime.

It is not a weakly prime, because it can be changed into another prime (7240253356961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3620126678180 + 3620126678181.

It is an arithmetic number, because the mean of its divisors is an integer number (3620126678181).

Almost surely, 2^{7240253356361} is an apocalyptic number.

It is an amenable number.

7240253356361 is a deficient number, since it is larger than the sum of its proper divisors (1).

7240253356361 is an equidigital number, since it uses as much as digits as its factorization.

7240253356361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 47.

Adding to 7240253356361 its reverse (1636533520427), we get a palindrome (8876786876788).

The spelling of 7240253356361 in words is "seven trillion, two hundred forty billion, two hundred fifty-three million, three hundred fifty-six thousand, three hundred sixty-one".