538041667 has 4 divisors (see below), whose sum is σ = 538178536. Its totient is φ = 537904800.

The previous prime is 538041661. The next prime is 538041697. The reversal of 538041667 is 766140835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538041667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538041661) 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, 62358 + ... + 70459.

It is an arithmetic number, because the mean of its divisors is an integer number (134544634).

Almost surely, 2^538041667 is an apocalyptic number.

538041667 is a deficient number, since it is larger than the sum of its proper divisors (136869).

538041667 is a wasteful number, since it uses less digits than its factorization.

538041667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136868.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 538041667 is about 23195.7251880600. The cubic root of 538041667 is about 813.3396974815.

The spelling of 538041667 in words is "five hundred thirty-eight million, forty-one thousand, six hundred sixty-seven".