42700633 has 2 divisors, whose sum is σ = 42700634. Its totient is φ = 42700632.

The previous prime is 42700631. The next prime is 42700699. The reversal of 42700633 is 33600724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42614784 + 85849 = 6528^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 42700633 - 2¹ = 42700631 is a prime.

Together with 42700631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42700598 and 42700607.

It is not a weakly prime, because it can be changed into another prime (42700631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21350316 + 21350317.

It is an arithmetic number, because the mean of its divisors is an integer number (21350317).

Almost surely, 2^42700633 is an apocalyptic number.

It is an amenable number.

42700633 is a deficient number, since it is larger than the sum of its proper divisors (1).

42700633 is an equidigital number, since it uses as much as digits as its factorization.

42700633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 42700633 is about 6534.5721359550. The cubic root of 42700633 is about 349.5248873159.

Subtracting from 42700633 its reverse (33600724), we obtain a palindrome (9099909).

The spelling of 42700633 in words is "forty-two million, seven hundred thousand, six hundred thirty-three".