264512489 has 8 divisors (see below), whose sum is σ = 276962112. Its totient is φ = 252142000.

The previous prime is 264512473. The next prime is 264512497. The reversal of 264512489 is 984215462.

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 264512489 - 2⁴ = 264512473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264512419) 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, 12887 + ... + 26364.

It is an arithmetic number, because the mean of its divisors is an integer number (34620264).

Almost surely, 2^264512489 is an apocalyptic number.

It is an amenable number.

264512489 is a deficient number, since it is larger than the sum of its proper divisors (12449623).

264512489 is a wasteful number, since it uses less digits than its factorization.

264512489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39567.

The product of its digits is 138240, while the sum is 41.

The square root of 264512489 is about 16263.8399217405. The cubic root of 264512489 is about 641.9217052710.

The spelling of 264512489 in words is "two hundred sixty-four million, five hundred twelve thousand, four hundred eighty-nine".