42331607 has 2 divisors, whose sum is σ = 42331608. Its totient is φ = 42331606.

The previous prime is 42331603. The next prime is 42331609. The reversal of 42331607 is 70613324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42331607 - 2² = 42331603 is a prime.

Together with 42331609, 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 (42331603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165803 + 21165804.

It is an arithmetic number, because the mean of its divisors is an integer number (21165804).

Almost surely, 2^42331607 is an apocalyptic number.

42331607 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331607 is an equidigital number, since it uses as much as digits as its factorization.

42331607 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 26.

The square root of 42331607 is about 6506.2744331914. The cubic root of 42331607 is about 348.5150886102.

The spelling of 42331607 in words is "forty-two million, three hundred thirty-one thousand, six hundred seven".