264540201 has 4 divisors (see below), whose sum is σ = 352720272. Its totient is φ = 176360132.

The previous prime is 264540197. The next prime is 264540203. The reversal of 264540201 is 102045462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 264540201 - 2² = 264540197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264540203) 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, 44090031 + ... + 44090036.

It is an arithmetic number, because the mean of its divisors is an integer number (88180068).

Almost surely, 2^264540201 is an apocalyptic number.

It is an amenable number.

264540201 is a deficient number, since it is larger than the sum of its proper divisors (88180071).

264540201 is an equidigital number, since it uses as much as digits as its factorization.

264540201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88180070.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 264540201 is about 16264.6918507545. The cubic root of 264540201 is about 641.9441217464.

Adding to 264540201 its reverse (102045462), we get a palindrome (366585663).

The spelling of 264540201 in words is "two hundred sixty-four million, five hundred forty thousand, two hundred one".