1113543097 has 2 divisors, whose sum is σ = 1113543098. Its totient is φ = 1113543096.

The previous prime is 1113543077. The next prime is 1113543103. The reversal of 1113543097 is 7903453111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882624681 + 230918416 = 29709^2 + 15196^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113543097 - 2¹⁵ = 1113510329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113543037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556771548 + 556771549.

It is an arithmetic number, because the mean of its divisors is an integer number (556771549).

Almost surely, 2^1113543097 is an apocalyptic number.

It is an amenable number.

1113543097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113543097 is an equidigital number, since it uses as much as digits as its factorization.

1113543097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1113543097 is about 33369.7931818583. The cubic root of 1113543097 is about 1036.4992925446.

The spelling of 1113543097 in words is "one billion, one hundred thirteen million, five hundred forty-three thousand, ninety-seven".