201378297 has 8 divisors (see below), whose sum is σ = 268584480. Its totient is φ = 134212160.

The previous prime is 201378257. The next prime is 201378301. The reversal of 201378297 is 792873102.

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 201378297 - 2¹¹ = 201376249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201378227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4897 + ... + 20657.

It is an arithmetic number, because the mean of its divisors is an integer number (33573060).

Almost surely, 2^201378297 is an apocalyptic number.

It is an amenable number.

201378297 is a deficient number, since it is larger than the sum of its proper divisors (67206183).

201378297 is a wasteful number, since it uses less digits than its factorization.

201378297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 201378297 is about 14190.7821137526. The cubic root of 201378297 is about 586.1438617156.

The spelling of 201378297 in words is "two hundred one million, three hundred seventy-eight thousand, two hundred ninety-seven".