207385097 has 4 divisors (see below), whose sum is σ = 207538836. Its totient is φ = 207231360.

The previous prime is 207385049. The next prime is 207385099. The reversal of 207385097 is 790583702.

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 71639296 + 135745801 = 8464^2 + 11651^2 .

It is a cyclic number.

It is not a de Polignac number, because 207385097 - 2²⁰ = 206336521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207385099) 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, 74828 + ... + 77549.

It is an arithmetic number, because the mean of its divisors is an integer number (51884709).

Almost surely, 2^207385097 is an apocalyptic number.

It is an amenable number.

207385097 is a deficient number, since it is larger than the sum of its proper divisors (153739).

207385097 is a wasteful number, since it uses less digits than its factorization.

207385097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153738.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 207385097 is about 14400.8713972454. The cubic root of 207385097 is about 591.9147759364.

The spelling of 207385097 in words is "two hundred seven million, three hundred eighty-five thousand, ninety-seven".