264895401 has 4 divisors (see below), whose sum is σ = 353193872. Its totient is φ = 176596932.

The previous prime is 264895399. The next prime is 264895409. The reversal of 264895401 is 104598462.

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 not a de Polignac number, because 264895401 - 2¹ = 264895399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264895401.

It is not an unprimeable number, because it can be changed into a prime (264895409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44149231 + ... + 44149236.

It is an arithmetic number, because the mean of its divisors is an integer number (88298468).

Almost surely, 2^264895401 is an apocalyptic number.

It is an amenable number.

264895401 is a deficient number, since it is larger than the sum of its proper divisors (88298471).

264895401 is an equidigital number, since it uses as much as digits as its factorization.

264895401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88298470.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 264895401 is about 16275.6075462638. The cubic root of 264895401 is about 642.2313075543.

The spelling of 264895401 in words is "two hundred sixty-four million, eight hundred ninety-five thousand, four hundred one".