42025667 has 4 divisors (see below), whose sum is σ = 42038736. Its totient is φ = 42012600.

The previous prime is 42025657. The next prime is 42025699. The reversal of 42025667 is 76652024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42025667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42025637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2042 + ... + 9392.

It is an arithmetic number, because the mean of its divisors is an integer number (10509684).

Almost surely, 2^42025667 is an apocalyptic number.

42025667 is a deficient number, since it is larger than the sum of its proper divisors (13069).

42025667 is an equidigital number, since it uses as much as digits as its factorization.

42025667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 42025667 is about 6482.7206479996. The cubic root of 42025667 is about 347.6734589391.

The spelling of 42025667 in words is "forty-two million, twenty-five thousand, six hundred sixty-seven".