264542063 has 8 divisors (see below), whose sum is σ = 274737408. Its totient is φ = 254530584.

The previous prime is 264542059. The next prime is 264542071. The reversal of 264542063 is 360245462.

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 264542063 - 2² = 264542059 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 (264542023) 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, 43031 + ... + 48792.

It is an arithmetic number, because the mean of its divisors is an integer number (34342176).

Almost surely, 2^264542063 is an apocalyptic number.

264542063 is a deficient number, since it is larger than the sum of its proper divisors (10195345).

264542063 is an equidigital number, since it uses as much as digits as its factorization.

264542063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91933.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 264542063 is about 16264.7490912095. The cubic root of 264542063 is about 641.9456278781.

The spelling of 264542063 in words is "two hundred sixty-four million, five hundred forty-two thousand, sixty-three".