42333397 has 2 divisors, whose sum is σ = 42333398. Its totient is φ = 42333396.

The previous prime is 42333391. The next prime is 42333407. The reversal of 42333397 is 79333324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30041361 + 12292036 = 5481^2 + 3506^2 .

It is a cyclic number.

It is not a de Polignac number, because 42333397 - 2²³ = 33944789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42333391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21166698 + 21166699.

It is an arithmetic number, because the mean of its divisors is an integer number (21166699).

Almost surely, 2^42333397 is an apocalyptic number.

It is an amenable number.

42333397 is a deficient number, since it is larger than the sum of its proper divisors (1).

42333397 is an equidigital number, since it uses as much as digits as its factorization.

42333397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 34.

The square root of 42333397 is about 6506.4119912591. The cubic root of 42333397 is about 348.5200008831.

The spelling of 42333397 in words is "forty-two million, three hundred thirty-three thousand, three hundred ninety-seven".