425024111 has 2 divisors, whose sum is σ = 425024112. Its totient is φ = 425024110.

The previous prime is 425024099. The next prime is 425024113. The reversal of 425024111 is 111420524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425024111 - 2¹⁰ = 425023087 is a prime.

Together with 425024113, 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 (425024113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212512055 + 212512056.

It is an arithmetic number, because the mean of its divisors is an integer number (212512056).

Almost surely, 2^425024111 is an apocalyptic number.

425024111 is a deficient number, since it is larger than the sum of its proper divisors (1).

425024111 is an equidigital number, since it uses as much as digits as its factorization.

425024111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 425024111 is about 20616.1128974402. The cubic root of 425024111 is about 751.8615157083.

Adding to 425024111 its reverse (111420524), we get a palindrome (536444635).

The spelling of 425024111 in words is "four hundred twenty-five million, twenty-four thousand, one hundred eleven".