201064697 has 8 divisors (see below), whose sum is σ = 211537032. Its totient is φ = 190857600.

The previous prime is 201064691. The next prime is 201064709. The reversal of 201064697 is 796460102.

It can be written as a sum of positive squares in 4 ways, for example, as 45414121 + 155650576 = 6739^2 + 12476^2 .

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 201064697 - 2⁴ = 201064681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201064691) 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, 64754 + ... + 67787.

It is an arithmetic number, because the mean of its divisors is an integer number (26442129).

Almost surely, 2^201064697 is an apocalyptic number.

It is an amenable number.

201064697 is a deficient number, since it is larger than the sum of its proper divisors (10472335).

201064697 is a wasteful number, since it uses less digits than its factorization.

201064697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132619.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 201064697 is about 14179.7283824480. The cubic root of 201064697 is about 585.8394425922.

The spelling of 201064697 in words is "two hundred one million, sixty-four thousand, six hundred ninety-seven".