18952007 has 2 divisors, whose sum is σ = 18952008. Its totient is φ = 18952006.

The previous prime is 18952001. The next prime is 18952027. The reversal of 18952007 is 70025981.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18952007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18952001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9476003 + 9476004.

It is an arithmetic number, because the mean of its divisors is an integer number (9476004).

Almost surely, 2^18952007 is an apocalyptic number.

18952007 is a deficient number, since it is larger than the sum of its proper divisors (1).

18952007 is an equidigital number, since it uses as much as digits as its factorization.

18952007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 18952007 is about 4353.3902880399. The cubic root of 18952007 is about 266.6153006967.

Adding to 18952007 its reverse (70025981), we get a palindrome (88977988).

The spelling of 18952007 in words is "eighteen million, nine hundred fifty-two thousand, seven".