42425633 has 2 divisors, whose sum is σ = 42425634. Its totient is φ = 42425632.

The previous prime is 42425627. The next prime is 42425653. The reversal of 42425633 is 33652424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31449664 + 10975969 = 5608^2 + 3313^2 .

It is a cyclic number.

It is not a de Polignac number, because 42425633 - 2⁸ = 42425377 is a prime.

It is a super-3 number, since 3×42425633³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42425596 and 42425605.

It is not a weakly prime, because it can be changed into another prime (42425623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212816 + 21212817.

It is an arithmetic number, because the mean of its divisors is an integer number (21212817).

Almost surely, 2^42425633 is an apocalyptic number.

It is an amenable number.

42425633 is a deficient number, since it is larger than the sum of its proper divisors (1).

42425633 is an equidigital number, since it uses as much as digits as its factorization.

42425633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 29.

The square root of 42425633 is about 6513.4962193894. The cubic root of 42425633 is about 348.7729357183.

The spelling of 42425633 in words is "forty-two million, four hundred twenty-five thousand, six hundred thirty-three".