424295381 has 2 divisors, whose sum is σ = 424295382. Its totient is φ = 424295380.

The previous prime is 424295371. The next prime is 424295383. The reversal of 424295381 is 183592424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398641156 + 25654225 = 19966^2 + 5065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424295381 is a prime.

It is a super-2 number, since 2×424295381² = 360053140675870322, which contains 22 as substring.

Together with 424295383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424295383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212147690 + 212147691.

It is an arithmetic number, because the mean of its divisors is an integer number (212147691).

Almost surely, 2^424295381 is an apocalyptic number.

It is an amenable number.

424295381 is a deficient number, since it is larger than the sum of its proper divisors (1).

424295381 is an equidigital number, since it uses as much as digits as its factorization.

424295381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 424295381 is about 20598.4315179579. The cubic root of 424295381 is about 751.4315656065.

The spelling of 424295381 in words is "four hundred twenty-four million, two hundred ninety-five thousand, three hundred eighty-one".