1133553397 has 2 divisors, whose sum is σ = 1133553398. Its totient is φ = 1133553396.

The previous prime is 1133553307. The next prime is 1133553427. The reversal of 1133553397 is 7933553311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763914321 + 369639076 = 27639^2 + 19226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133553397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133553307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566776698 + 566776699.

It is an arithmetic number, because the mean of its divisors is an integer number (566776699).

Almost surely, 2^1133553397 is an apocalyptic number.

It is an amenable number.

1133553397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133553397 is an equidigital number, since it uses as much as digits as its factorization.

1133553397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127575, while the sum is 40.

The square root of 1133553397 is about 33668.2847350440. The cubic root of 1133553397 is about 1042.6710792008.

The spelling of 1133553397 in words is "one billion, one hundred thirty-three million, five hundred fifty-three thousand, three hundred ninety-seven".