1097559413 has 2 divisors, whose sum is σ = 1097559414. Its totient is φ = 1097559412.

The previous prime is 1097559409. The next prime is 1097559427. The reversal of 1097559413 is 3149557901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1089132004 + 8427409 = 33002^2 + 2903^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097559413 - 2² = 1097559409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097559313) 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, 548779706 + 548779707.

It is an arithmetic number, because the mean of its divisors is an integer number (548779707).

Almost surely, 2^1097559413 is an apocalyptic number.

It is an amenable number.

1097559413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097559413 is an equidigital number, since it uses as much as digits as its factorization.

1097559413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 1097559413 is about 33129.4342390570. The cubic root of 1097559413 is about 1031.5161048549.

The spelling of 1097559413 in words is "one billion, ninety-seven million, five hundred fifty-nine thousand, four hundred thirteen".