207995497 has 8 divisors (see below), whose sum is σ = 209323656. Its totient is φ = 206671872.

The previous prime is 207995483. The next prime is 207995503. The reversal of 207995497 is 794599702.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105904681 + 102090816 = 10291^2 + 10104^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207995497 - 2⁷ = 207995369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207995407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142423 + ... + 143875.

It is an arithmetic number, because the mean of its divisors is an integer number (26165457).

Almost surely, 2^207995497 is an apocalyptic number.

It is an amenable number.

207995497 is a deficient number, since it is larger than the sum of its proper divisors (1328159).

207995497 is a wasteful number, since it uses less digits than its factorization.

207995497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 207995497 is about 14422.0489875745. The cubic root of 207995497 is about 592.4949379712.

The spelling of 207995497 in words is "two hundred seven million, nine hundred ninety-five thousand, four hundred ninety-seven".