67052011 has 4 divisors (see below), whose sum is σ = 72209872. Its totient is φ = 61894152.

The previous prime is 67051991. The next prime is 67052021. The reversal of 67052011 is 11025076.

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

It is a cyclic number.

It is not a de Polignac number, because 67052011 - 2⁵ = 67051979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67052021) 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, 2578911 + ... + 2578936.

It is an arithmetic number, because the mean of its divisors is an integer number (18052468).

Almost surely, 2^67052011 is an apocalyptic number.

67052011 is a deficient number, since it is larger than the sum of its proper divisors (5157861).

67052011 is a wasteful number, since it uses less digits than its factorization.

67052011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157860.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 67052011 is about 8188.5292330186. The cubic root of 67052011 is about 406.2598799648.

Adding to 67052011 its reverse (11025076), we get a palindrome (78077087).

The spelling of 67052011 in words is "sixty-seven million, fifty-two thousand, eleven".