264997845 has 64 divisors (see below), whose sum is σ = 566784000. Its totient is φ = 114758208.

The previous prime is 264997829. The next prime is 264997849. The reversal of 264997845 is 548799462.

It is not a de Polignac number, because 264997845 - 2⁴ = 264997829 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 264997791 and 264997800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264997849) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10576 + ... + 25334.

It is an arithmetic number, because the mean of its divisors is an integer number (8856000).

Almost surely, 2^264997845 is an apocalyptic number.

It is an amenable number.

264997845 is an abundant number, since it is smaller than the sum of its proper divisors (301786155).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264997845 is a wasteful number, since it uses less digits than its factorization.

264997845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14799 (or 14793 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 264997845 is about 16278.7544056663. The cubic root of 264997845 is about 642.3140877313.

The spelling of 264997845 in words is "two hundred sixty-four million, nine hundred ninety-seven thousand, eight hundred forty-five".