1033213091 has 2 divisors, whose sum is σ = 1033213092. Its totient is φ = 1033213090.

The previous prime is 1033213081. The next prime is 1033213117. The reversal of 1033213091 is 1903123301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1033213091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1033213081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516606545 + 516606546.

It is an arithmetic number, because the mean of its divisors is an integer number (516606546).

Almost surely, 2^1033213091 is an apocalyptic number.

1033213091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1033213091 is an equidigital number, since it uses as much as digits as its factorization.

1033213091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1033213091 is about 32143.6321998619. The cubic root of 1033213091 is about 1010.9506753183.

Adding to 1033213091 its reverse (1903123301), we get a palindrome (2936336392).

The spelling of 1033213091 in words is "one billion, thirty-three million, two hundred thirteen thousand, ninety-one".