264640201 has 8 divisors (see below), whose sum is σ = 303226560. Its totient is φ = 226249008.

The previous prime is 264640177. The next prime is 264640213. The reversal of 264640201 is 102046462.

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 264640201 - 2⁹ = 264639689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264640291) 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, 45871 + ... + 51316.

It is an arithmetic number, because the mean of its divisors is an integer number (37903320).

Almost surely, 2^264640201 is an apocalyptic number.

It is an amenable number.

264640201 is a deficient number, since it is larger than the sum of its proper divisors (38586359).

264640201 is an equidigital number, since it uses as much as digits as its factorization.

264640201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97583.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 264640201 is about 16267.7657039927. The cubic root of 264640201 is about 642.0249995926.

Adding to 264640201 its reverse (102046462), we get a palindrome (366686663).

The spelling of 264640201 in words is "two hundred sixty-four million, six hundred forty thousand, two hundred one".