264508061 has 4 divisors (see below), whose sum is σ = 264589500. Its totient is φ = 264426624.

The previous prime is 264508031. The next prime is 264508103. The reversal of 264508061 is 160805462.

264508061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 174372025 + 90136036 = 13205^2 + 9494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264508061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264508031) 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, 35636 + ... + 42413.

It is an arithmetic number, because the mean of its divisors is an integer number (66147375).

Almost surely, 2^264508061 is an apocalyptic number.

It is an amenable number.

264508061 is a deficient number, since it is larger than the sum of its proper divisors (81439).

264508061 is an equidigital number, since it uses as much as digits as its factorization.

264508061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81438.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 264508061 is about 16263.7037909573. The cubic root of 264508061 is about 641.9181232786.

The spelling of 264508061 in words is "two hundred sixty-four million, five hundred eight thousand, sixty-one".