42398353 has 2 divisors, whose sum is σ = 42398354. Its totient is φ = 42398352.

The previous prime is 42398339. The next prime is 42398381. The reversal of 42398353 is 35389324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 15233409 = 5212^2 + 3903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42398353 is a prime.

It is a super-2 number, since 2×42398353² = 3595240674225218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42398303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21199176 + 21199177.

It is an arithmetic number, because the mean of its divisors is an integer number (21199177).

Almost surely, 2^42398353 is an apocalyptic number.

It is an amenable number.

42398353 is a deficient number, since it is larger than the sum of its proper divisors (1).

42398353 is an equidigital number, since it uses as much as digits as its factorization.

42398353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 42398353 is about 6511.4017692045. The cubic root of 42398353 is about 348.6981651528.

The spelling of 42398353 in words is "forty-two million, three hundred ninety-eight thousand, three hundred fifty-three".