264455651 has 4 divisors (see below), whose sum is σ = 265562400. Its totient is φ = 263348904.

The previous prime is 264455603. The next prime is 264455671. The reversal of 264455651 is 156554462.

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

It is a cyclic number.

It is not a de Polignac number, because 264455651 - 2¹⁰ = 264454627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264455671) 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, 553016 + ... + 553493.

It is an arithmetic number, because the mean of its divisors is an integer number (66390600).

Almost surely, 2^264455651 is an apocalyptic number.

264455651 is a deficient number, since it is larger than the sum of its proper divisors (1106749).

264455651 is a wasteful number, since it uses less digits than its factorization.

264455651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106748.

The product of its digits is 144000, while the sum is 38.

The square root of 264455651 is about 16262.0924545398. The cubic root of 264455651 is about 641.8757236242.

The spelling of 264455651 in words is "two hundred sixty-four million, four hundred fifty-five thousand, six hundred fifty-one".