207316045 has 4 divisors (see below), whose sum is σ = 248779260. Its totient is φ = 165852832.

The previous prime is 207316007. The next prime is 207316091. The reversal of 207316045 is 540613702.

207316045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77492809 + 129823236 = 8803^2 + 11394^2 .

It is a cyclic number.

It is not a de Polignac number, because 207316045 - 2⁷ = 207315917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20731600 + ... + 20731609.

It is an arithmetic number, because the mean of its divisors is an integer number (62194815).

Almost surely, 2^207316045 is an apocalyptic number.

It is an amenable number.

207316045 is a deficient number, since it is larger than the sum of its proper divisors (41463215).

207316045 is an equidigital number, since it uses as much as digits as its factorization.

207316045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41463214.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 207316045 is about 14398.4737038340. The cubic root of 207316045 is about 591.8490729890.

Adding to 207316045 its reverse (540613702), we get a palindrome (747929747).

The spelling of 207316045 in words is "two hundred seven million, three hundred sixteen thousand, forty-five".