3233331397 has 2 divisors, whose sum is σ = 3233331398. Its totient is φ = 3233331396.

The previous prime is 3233331377. The next prime is 3233331487. The reversal of 3233331397 is 7931333323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2626152516 + 607178881 = 51246^2 + 24641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3233331397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3233331347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616665698 + 1616665699.

It is an arithmetic number, because the mean of its divisors is an integer number (1616665699).

Almost surely, 2^3233331397 is an apocalyptic number.

It is an amenable number.

3233331397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3233331397 is an equidigital number, since it uses as much as digits as its factorization.

3233331397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91854, while the sum is 37.

The square root of 3233331397 is about 56862.3900042902. The cubic root of 3233331397 is about 1478.7113504379.

The spelling of 3233331397 in words is "three billion, two hundred thirty-three million, three hundred thirty-one thousand, three hundred ninety-seven".